Posterior cardinal veios
[医] 后主静脉(胚)
🧩 词语组成解析
posterior
[pɔs'tiəriə]
adj. （时间上）较晚的;在后的;后面的;尾部的;
n. 身体后部，臀部;
🗣️ 情景例句
Thanks, Richard.
谢谢你 Richard。
I'd like a refund.
我要想退款。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。