Ac.
[医] 锕(89号元素)
🗣️ 情景例句
I should have quit while I was ahead.
我应该见好就收。
A wilful fault has no excuse and deserves no pardon.
不能宽恕故意犯下的错误。
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。