Lanthanocerite
镧铈石
🗣️ 情景例句
I have a question.
我有一个问题。
I said, Do you want me to help you?
我是说:你要我帮忙吗？"
I had left it on a chair beside the door and now it wasn't there!
我曾把它放在门边的椅子上，可这会儿不见了！