senescence是什么意思_音标_用法_例句

简单释义：

n. 衰老；老年化

Web 老化；老朽；细胞衰老

变形：

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完整释义：

n.

1.〔生〕衰老
2.早衰
3.老朽

例句：

1. Senescence may be defined as the deteriorative events which precede the death of a mature cell.
   衰老是成熟细胞死亡之前的败坏过程。

2. The senescence of fruit, i. e. the deteriorative events which occur after ripening, has not been intensively studied.
   果实的衰老，也就是成熟以后所产生的败坏过程，尚未被深入地研究。

3. The DGAT proteins in plant play an important role in seed development, seed germination, seedling development and leaf senescence.
   研究表明，植物DGAT主要与种子发育、种子萌发、幼苗发育、叶片新陈代谢等过程相关。

4. Senescence The phase of the aging process of an organism or part of an organism between maturity and natural death.
   整个生物体或其部分结构由成熟直至自然死亡的老化过程。

5. Senescence is prevalent in pre-malignant tumours, and progression to malignancy requires evading senescence.
   衰老是流行前恶性肿瘤，并发展成恶性肿瘤，需要回避衰老。

6. Cytokinin: any of a class of plant hormones that promote cell division and growth and delay the senescence of leaves.
   细胞分裂素：一种促使细胞分裂和生长并且延迟叶子枯萎的植物激素。

7. Initial observations suggest that cellular senescence is the result of telomere shortening.
   初步观察表明，细胞衰老是由于端粒缩短。

8. And exogenous Spermine could retard drought-sensitive Variety senescence better than drought-resistant one under water stress.
   且更能延缓抗旱性弱的小麦品种在水分胁迫下的膜脂过氧化。