Pelvic arrest
[医] 盆腔停滞(胎头)
🧩 词语组成解析
pelvic
['pelvik]
adj. 骨盆的，关于骨盆的;
🗣️ 情景例句
Never pump gas with the engine running.
发动机在运转时，别加油。
It's a busy street.
这是一个繁忙的街道。
they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals.
昆虫会吞食我们的全部庄稼，杀死我们的成群的牛羊。