Keech
油脂团；油脂制备
🗣️ 情景例句
I'm Elsa Tobin. How do you do?
我叫Elsa Tobin ，你好。
Fortune is good to him who knows to make good use of her.
知道利用幸福的人才有幸福。
and then generalized the results of his many experiments into the famous law of free fall.
然后将多次实验结果概括成著名的自由落体定律的人。