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词汇 hydrotropism
释义

Definition of hydrotropism in English:

hydrotropism

noun hʌɪˈdrɒtrəpɪz(ə)mˌhaɪdrəˈtroʊpɪzəm
mass nounBotany
  • The growth or turning of plant roots towards or away from moisture.

    〔植〕向水性;背水性

    Example sentencesExamples
    • Our experiment proved that hydrotropism really does exist, and watering the plants differently affects root growth.
    • These analyses indicate that the application of new genetic screens for dissecting complex signaling phenomena such as hydrotropism is promising.
    • Finally, decapitated roots don't seem to show hydrotropism, which hints at the root caps playing a major role in this phenomena.
    • Sensor cells for the presence of water are found in the root cap and studies indicated that calcium plays a role in the induction of root hydrotropism.
    • Such seedlings behaved identically to seedlings grown on uncovered filter paper and, hence, any possible effects of hydrotropism were eliminated.

Definition of hydrotropism in US English:

hydrotropism

nounˌhaɪdrəˈtroʊpɪzəmˌhīdrəˈtrōpizəm
Botany
  • The growth or turning of plant roots toward or away from moisture.

    〔植〕向水性;背水性

    Example sentencesExamples
    • These analyses indicate that the application of new genetic screens for dissecting complex signaling phenomena such as hydrotropism is promising.
    • Sensor cells for the presence of water are found in the root cap and studies indicated that calcium plays a role in the induction of root hydrotropism.
    • Finally, decapitated roots don't seem to show hydrotropism, which hints at the root caps playing a major role in this phenomena.
    • Our experiment proved that hydrotropism really does exist, and watering the plants differently affects root growth.
    • Such seedlings behaved identically to seedlings grown on uncovered filter paper and, hence, any possible effects of hydrotropism were eliminated.
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