Dideuteride
二氘化物
🗣️ 情景例句
Learning to express oneself well in an important part of education.
学会把意思表达清楚是受教育的一个重要方面。
I think it's going to be too small.
我认为它将太小。
How long will it take to get to your house?
到你家要多久？