Alphatron
α粒子电离压强计, α射线管
🗣️ 情景例句
we would like to have our investments returned as early and safely as possible.
我们总想尽早而又安全地收回我们的投资。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
Then you'll see the sign for the rest rooms.
你就可以看到厕所的牌子了。