Vena contracta
[化] 流颈; 缩脉
🧩 词语组成解析
n. 静脉\\n[医] 静脉
🗣️ 情景例句
We usually ship the goods by regular liners.
我们一般是定期班轮装运货物。
I woke up seven and got up right away.
我七点醒了，然后马上起床了。
But even the mosquito has been subdued by attention to drainage and by chemical sprays.
然而即使蚊子，也由于我们注意清理污水和喷洒化学药品而被制服了。