at the onset of

at the onset of 基本解释

在…开始的时候

at the onset of 用法和例句

1、At the onset of germination, the hypocotyl elongates rapidly by cell enlargement.

萌发开始时，下胚轴依靠细胞增大而迅速伸长。

2、For metals, the phenomenon of yielding occurs at the onset of plastic or permanent deformation.

金属得屈服是指塑性或者永久形变开始发生得现象。

3、A thorough visual exam will need to be done at the onset of labor to ensure that there are no herpes lesions.

在产前可以进行一个彻底的检查, 确认是否有疱疹皮损。

4、An increase in circulating androgens at the onset of puberty stimulates the production of sebum into the pilosebaceous unit.

增加循环激素在青春期刺激生产皮脂的皮脂腺单位。

重点词汇

onset n. 开始, 攻击, 进攻 [医] 起始, 开始