D2o
[医] 氧化氘, 重水
🗣️ 情景例句
This will be a perfect jacket for the wintertime
这一件夹克就很受用
Whatever I do, I will do in my power.
无论我做什么事，我都尽力而为之。
The students declared against cheating.
学生们表示反对作弊。