Postcardinal veins
[医] 后主静脉(胚)
🧩 词语组成解析
[医] 后主静脉的
n. 纹理；静脉（vein的复数）
🗣️ 情景例句
Will you announce that I'm running?
你会发表我参加竞选的消息吗？
If it weren't for the climate, I'd like it very much here.
要不是因为气候的话，我会很喜欢这儿的。
Then sweep the floor.
然后扫扫地。