Deutoxide
重水
🗣️ 情景例句
I'd like you to meet the group.
我希望你能与协会的成员见面。
How did you tell him?
你是如何告诉他的？
There's a zoo in the park. We can go and have a look at the animals.
公园里有个动物园哩。我们可以去看看动物。