Muscles stretch, slacken and relax during child-birth.

生孩子的时候，肌肉会拉抻、放松，然后松弛下来。

柯林斯例句

She died in child birth.

她因生产而死.

《现代汉英综合大词典》

Women enjoy special protection during menstruation, pregnancy , child birth and baby nursing period.

妇女在经期 、 孕期 、 产期和哺乳期受特殊保护.

汉英非文学 - 白皮书

Deformities of the pelvic girdle in females may lead to difficulties in child - birth many years later.

妇女骨盆带变形,在以后分娩时会产生困难.

辞典例句

Many of the women died in child birth in the past.

在过去,许多妇女死于分娩.

互联网

New business opportunities fruitful love affairs and child birth are the good news for these people.

新生意机会、硕果累累的爱情、孩子的出生对于双双来说都是好消息.

互联网