Radioactivities
(radioactivity 的复数) n. 放射性\\n[化] 放射性
🗣️ 情景例句
But you just put on your pajamas and robe,
你先把这睡衣裤穿上，
I've got a pain in my back.
我背疼。
If Tom cannot keep his promise, he'll lose face.
如果汤姆不能信守诺言，他就会丢面子。