Chalkogenide
硫屬化物
??? 情景例句
This is more than I can bear.
我再也受不了了。
Air China has a flight leaving at 9:25.
中國航空公司有一班飛機，9點28分起飛。
he said. But I don't have many friends, and I don't enjoy myself very much. I don't know why!
他說，“但是我沒有很多朋友，我過得不很愉快。我不懂為什么！”