Dicalcium
[医] 二钙
🗣️ 情景例句
The teacher flunked him in geography.
老师给他的地理打不及格。
Draw water with a sieve.
竹篮子打水一场空。
It was one of the biggest buildings of all time and a lot of people from many countries came to see it.
它是有史以来最高大的建筑物之一，因此，人们从各个国家纷纷前来参观。