Dialloy
戴洛伊硬质合金
🗣️ 情景例句
Can't you figure it out?
找不到答案吗？
A Ph.D. Doctor of Philosophy from Yale.
在耶鲁大学攻读了哲学博士学位。
No, not any more. It used to be free but now you have to pay to get in.
不，不再免费了。过去是免费，可现在得付钱才能进去呢。