Dideuteride
二氘化物
🗣️ 情景例句
speak to a real-estate agent about a house.
和房地产仲介商谈一谈关于房子的事。
I can't tell you how happy this makes me.
我形容不出来我有多高兴。
We had a damaged shipment from you.
你们送来的货有损坏。