Vas-
pref. 管, 导管, 管道
🧩 词语组成解析
[医] 管, 脉管
🗣️ 情景例句
I just can't understand
我就不懂
The young man had been well aware of her presence at the party.
那个年轻人早已注意到她在宴会上。
It is only 380,000 kilometres away, and it has been visited by man already.
已经有人到过月球旅行了。