Oryctologist
矿物学专家
🗣️ 情景例句
We will help your children in learning lessons in their free time.
我们可以帮助您的孩子在他们空闲时学习功课。
I have a runny nose.
我流鼻涕。
There was a notice in the supermarket.
超市里有一个布告。