Radioactive hydrogen
[医] 放射性氢
🧩 词语组成解析
🗣️ 情景例句
Oh, without a doubt.
啊， 毫无问题。
The news has bucked us up.
这消息使我们欢欣鼓舞。
One day a week he would spend the whole day in silence.
每周有一天他是在沉默无语中度过的。