Dicalcium
[医] 二钙
🗣️ 情景例句
Dad ... Robbie. When did you come?
爸爸……Robbie。你们什么时候来的？
A smooth sea never made a skillful mariner.
平静的海洋练不出熟练的水手。
How do you spell Monday?
Monday怎么拼写呢？