| 释义 |
Definition of protraction in English: protractionnoun prəˈtrakʃ(ə)nprəˈtrækʃ(ə)n mass noun1The action of prolonging something or the state of being prolonged. 延长，拖延 the protraction of the war 战争的延长。 Example sentencesExamples - For breast cancer a loss of local control of 3% has been described for each day of protraction between external beam radiotherapy and brachytherapy boost.
- Imagine them denuded of even the attenuated r and r release that they are allowed there; imagine their seemingly infinite protraction.
- Such mathematical protraction excites the studious poker mind of the Wimbledon manager.
Synonyms prolongation, lengthening, increase, continuation, perpetuation 2The action of extending a part of the body. （身体部位的）伸长，伸拉 Example sentencesExamples - Nor did he analyze whether a forelimb whose major function is protraction, retraction, and rotation (in flight) can also effectively supinate, adduct, and retract in that position to achieve climbing.
- Another role of the scapula involves retraction and protraction along the thoracic wall.
- Muscles necessary for the rapid dorsoventral expansion of the head are composed primarily of fast-twitch fibers while those involved in more tonic contractions such as hyoid protraction have more slow-twitch muscle fibers.
- Hydrostatic elongation of the tongue involves narrowing of the tongue vertically and consequent lengthening and protraction from the mouth.
- Many adult frogs capture prey on land using a forward lunge of the entire body in combination with protraction of a short tongue that reaches only slightly beyond the margins of the jaws.
OriginMid 16th century: from French, or from late Latin protractio(n-), from protrahere 'prolong' (see protract). Rhymesabstraction, action, attraction, benefaction, compaction, contraction, counteraction, diffraction, enaction, exaction, extraction, faction, fraction, interaction, liquefaction, malefaction, petrifaction, proaction, putrefaction, redaction, retroaction, satisfaction, stupefaction, subtraction, traction, transaction, tumefaction, vitrifaction Definition of protraction in US English: protractionnounprəˈtrækʃ(ə)nprəˈtrakSH(ə)n 1The action of prolonging something or the state of being prolonged. 延长，拖延 the protraction of the war 战争的延长。 Example sentencesExamples - Such mathematical protraction excites the studious poker mind of the Wimbledon manager.
- For breast cancer a loss of local control of 3% has been described for each day of protraction between external beam radiotherapy and brachytherapy boost.
- Imagine them denuded of even the attenuated r and r release that they are allowed there; imagine their seemingly infinite protraction.
Synonyms prolongation, lengthening, increase, continuation, perpetuation 2The action of extending a part of the body. （身体部位的）伸长，伸拉 Example sentencesExamples - Another role of the scapula involves retraction and protraction along the thoracic wall.
- Muscles necessary for the rapid dorsoventral expansion of the head are composed primarily of fast-twitch fibers while those involved in more tonic contractions such as hyoid protraction have more slow-twitch muscle fibers.
- Many adult frogs capture prey on land using a forward lunge of the entire body in combination with protraction of a short tongue that reaches only slightly beyond the margins of the jaws.
- Nor did he analyze whether a forelimb whose major function is protraction, retraction, and rotation (in flight) can also effectively supinate, adduct, and retract in that position to achieve climbing.
- Hydrostatic elongation of the tongue involves narrowing of the tongue vertically and consequent lengthening and protraction from the mouth.
OriginMid 16th century: from French, or from late Latin protractio(n-), from protrahere ‘prolong’ (see protract). |