Wathlingite
镁硬石膏
🗣️ 情景例句
My address is 36 South 75th street, Apartment 10.
我的地址是南七十五街三十六号10号房。
After forty years teaching English he thinks it's time to call it a day.
他教英语四十年，认为该退休了。
Do you have anything like this in your stock?
你们库存中有象这样的东西吗？