Petrologen
油母岩质
🗣️ 情景例句
I've only been waiting for an hour.
我已经等了一个小时了。
If you insist on your original price, I'm afraid you will have little chance to get the business.
如果您坚持原来的价格，恐怕您获得这笔交易的可能性极小。
He was, above all, a man who experimented:
他首先是个实验工作者，