Scalpellum
口针
🗣️ 情景例句
It's not easy,
实在不容易。
May I pay by credit card?
我可以用信用卡付款吗？
Carver Mead, a pioneer in integrated circuits and a professor of computer science at the California Institute of Technology,
卡弗。米德 -- 集成电路的一位先驱，加州理工学院的计算机教授 --