Valnllae vasorum
[医] 血管瓣
🗣️ 情景例句
I have learned to use computers and have become familiar with all clerical duties.
我学会使用电脑及熟悉所有文员的工作。
He majored in Computers.
他主修计算机。
Yes, I think so.
是的，我想会有空。