Earthscience
地球科学
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
He likes playing the violin.
他喜欢拉小提琴。
Everybody says I must be mad and they are probably right.
大家都说我肯定是疯了，也许他们说的是对的。