Vena contracta
[化] 流颈; 缩脉
🧩 词语组成解析
n. 静脉\\n[医] 静脉
🗣️ 情景例句
Don't worry. The traffic is very heavy at this hour.
别担心。这个时间交通很拥挤。
Do I have to reserve a seat?
我一定要预订座位吗？
Suddenly she asked her father why he kept so many old newspapers locked away there,
她突然问父亲为什么把这么多的旧报纸锁在柜子里，