Beryllosodalite
铍方钠石
🗣️ 情景例句
Do we have to pre-book tours, or can we get them on site?
我们必须预定行程， 还是到那个地方再说？
Yes,I do.
是的，我有。
You have to be able to check instructions.
你必须会查对说明。你必须会筹划工作。