Hydrocal
[医] 含水煅石膏(商品名)
🗣️ 情景例句
Don't rock the boat.
不要无事生非，引起众怒。
In secondary school, children study mathmatic、phsicas and chemistry.
中学的小孩会读到数学、物理和化学。
they do not realize that they are deprived of the necessities of life.
却没有意识到被剥夺了生活所必需的东西。