Deutoxide
重水
🗣️ 情景例句
I've never been more serious.
我从来没有比现在更认真了。
So they are content to let him go to America.
所以他们满意地让他去美国了。
The most surprising thing about it, however, is that it can land anywhere: on snow, water, or even on a ploughed field.
雪地上，水面上，甚至刚耕过的田里。