Anhydrite
n. 硬石膏, 无水石膏\\n[化] 无水石膏; 硬石膏
🗣️ 情景例句
Yes. Have you got any seats left on the 10th at 7:30 a.m. to HongKong?
是的。你们还有10号早上7点半去香港的机票吗？
The two parties involved in a contract have the obligation to execute the contract.
合同双方有义务履行合同。
Look!There's an ice cream man.
瞧！有个卖冰淇淋的。