D2o
[医] 氧化氘, 重水
🗣️ 情景例句
The student has a very wide range of interests.
那个学生的兴趣非常广泛。
Forgive me for interrupting, but I have a question.
对不起我插个嘴，我有一个问题。
Even when it was raining heavily, he refused to carry an umbrella.
即使大雨倾盆，他也总是拒绝带伞。