Cleanest
清洁的（clean的最高级）
🗣️ 情景例句
You know, man's best friend is his dog.
你知道的，类最好的朋友就是狗。
It is more blessed to give than to receive.
施恩比受惠更有福。
We must conclude from the work of those who have studied the origin of life,
我们必须从那些研究生命起源的人的工作总结出：