Vena contracta
[化] 流颈; 缩脉
🧩 词语组成解析
n. 静脉\\n[医] 静脉
🗣️ 情景例句
I'm not convinced.
我持保留态度。
You think this is funny?
你认为这个很有趣？
Right. They're running and jumping all the time.
对，他们老是跑啊跳的。