Diplohydrogen
[醫(yī)] 氘, 重氫
??? 情景例句
Drive carefully.
開車時小心。
Can you afford the expense?
你出得起這筆費用嗎？
Even when it was raining heavily, he refused to carry an umbrella.
即使大雨傾盆，他也總是拒絕帶傘。