1The process or a period of changing from one state or condition to another.

由一课程向另一课程过渡的学生。

向多党民主制的转变。

1. 1.1 The process by which a person permanently adopts the outward or physical characteristics of the gender with which they identify, as opposed to those associated with their birth sex. The process may or may not involve measures such as hormone therapy and gender reassignment surgery.
   she had been living as a woman for eight years at that point and had completed her transition in 2001

   he began the transition from female to male in the 10th grade

   Example sentencesExamples

   • The main thing I had going for me was almost instant acceptance by other women as one of them that actually predated my transition.
   • Rosario's case study and discussion demonstrate the failure of transition models to account for the experiences of many transgender people.
   • We thought Roberta - who was, perhaps, an idealized transgendered person - had the right idea: she retained her core self through the transition.
   • He also discusses the role of gender identity clinics in gender transition, with specific focus on the Clarke Institute of Psychiatry in Toronto.
   • There is also innovative work in a chapter on guilt and gender variance, and another on children's experiences of a parent's transition.
   • Grace has landed her own reality series, documenting her transition from a male to a female.
   • Even people who have dealt with my transition in a very sophisticated way are uncomfortable with the fact that we are two women living together and legally married.
   • I am (or have been) fairly closely acquainted with three transsexuals, at various stages of transition.
   • One is still going through transition, and one has had the full run of surgery.
2. 1.2 A passage in a piece of writing that smoothly connects two topics or sections to each other.
   Example sentencesExamples

   • Abrupt transitions in topic and chronology leave the reader confused and wondering if the medical history of the Corps is merely incidental to more current medical topics.
   • Both approaches have strengths and flaws, which we discuss at the end of the broad-brush passage in making the transition to the particularistic section.
   • In places, her narrative moves between topics without transitions.
   • What redeems the transition flaws is tight writing.
   • She never discussed her thesis statement, the other subjects were completely unrelated to the subject at hand, and her topic transitions were outright jarring.
   • This is usually a boring topic, but the author makes the transition smoothly.
   • The consequence is a roughness in the transitions between sections and at times a sense of a rather tangled or non-existent continuity.
3. 1.3Music A momentary modulation from one key to another.
   〔乐〕临时转调
   Example sentencesExamples

   • In a telling transition from B minor to F major, Delius calms the troubled man.
   • I was bowled over by the energy of the Seventh Symphony which has a lovely transition in the First Movement and a dreamy Allegretto reminding one of hallowed antiquity.
   • The transition from the dominant to the tonic, while hardly original to our ears, is still effective, and one of the movement's strong points.
   • A quick transition to the major tonality provides sunshine.
4. 1.4Physics A change of an atom, nucleus, electron, etc. from one quantum state to another, with emission or absorption of radiation.
   〔物理〕跃迁，转变
   Example sentencesExamples

   • The active medium in a conventional laser is an electromagnetic cavity that resonates at the same frequency as the optical transitions of electrons in the medium.
   • Quantum mechanics dictates that the electrons can only have certain energy levels, and when an atom gets hot, transitions between these levels start to occur.
   • These absorption bands correspond to electronic transitions from s-bonding to s-antibonding orbitals.
   • The absorption and emission spectra of molecules can be correlated with such transitions of electrons between allowed quantized energy levels.
   • Now, when these electrons make a transition back to some lower energy level, electromagnetic rays are emitted in the process which carry away the energy.

1Undergo or cause to undergo a process or period of transition.

1. 1.1no object Adopt permanently the outward or physical characteristics of the gender one identifies with, as opposed to those associated with one's birth sex.
   once the decision was finally made to transition, she was overwhelmed with the support from her immediate family

   Example sentencesExamples

   • Except for Moll, a woman who identifies as a man, the films' transgender subjects are transitioning from male to female.
   • Jones, a fully transitioned, transplanted New Yorker, simply wants to be treated like an ordinary woman.
   • The Berkeley High School senior transitioned from female to male starting in his sophomore year.
   • When you transitioned into your own sexual identity, how did your success in that transition inform you about the subject matter of this film?
   • She's only recently transitioned in the past six months - she had male to female genital reassignment surgery.
   • Billie's mother is planning to transition from female to male.
   • Were you thinking about transitioning to become a male?
   • Grace transitioned two years ago.