Radioactive hydrogen
[医] 放射性氢
🧩 词语组成解析
🗣️ 情景例句
left to right.
从左到右轮流玩。
Grasp the nettle and it won't sting you.
困难像弹簧，你硬它就软。
There were birds too, with the eyes carved out of the rock and painted white.
还有一些鸟的眼睛是用石头刻的，并被涂上白色。