D2o
[医] 氧化氘, 重水
🗣️ 情景例句
Well, I see you're feeling better.
嗯， 我看得出你感觉好些了。
Can you afford the expense?
你出得起这笔费用吗？
Ann began to put the candles on her cake. Then she counted them.
安开始把蜡烛插到她的生日蛋糕上。插完，她数了数。