Vas-
pref. 管, 导管, 管道
🧩 词语组成解析
[医] 管, 脉管
🗣️ 情景例句
Can we meet halfway on this?
我们是否能各让一半？
Are you in touch with him now?
你现在和他有联系吗？
All the students are expert drivers, but before they drive any of the buses, they will have to pass a special test.
所有的学生都是开车的能手，但在驾驶公共汽车之前，他们必须通过一项专门测验。