Dicalcium
[医] 二钙
🗣️ 情景例句
it's in the cabinet with the salt and pepper.
应该跟盐和胡椒一起放在橱柜 。
Repetition is the mother of knowledge.
反覆学习是知识之源。
However, rescue operations are proving difficult.
然而，事实证明营救工作非常困难。