Radioactive hydrogen
[医] 放射性氢
🧩 词语组成解析
🗣️ 情景例句
I can see that.
这一点我明白。
I've made a reservation at the hotel you used last time.
我已预订了你上次住过的旅馆。
He gets out of the lift. Then he walks to a bus stop.
他走出电梯。然后步行到公共汽车站。