D2o
[医] 氧化氘, 重水
🗣️ 情景例句
We're transferring you to our head office.
我们要调你去公司的总部。
I asked him to lend me a book , but he wouldn't.
我请他把书借给我，但是他不肯。
We give a 2% discount for cash.
付现的话折扣2%。