Barytin
[医] 重晶石(不纯硫酸钡的矿石)
🗣️ 情景例句
It's OK, Susan.
太好了， Susan。
No matter what happens, don't be discouraged.
无论发生什么事，都不要气馁。
The strike is due to begin on Tuesday.
罢工定于星期二开始，