Watson equation
[机] 瓦特生方程式
🧩 词语组成解析
[计] 沃森
🗣️ 情景例句
When was the last time?
最近一次是什么时候？
Which one is more expensive?
哪一个是比较贵的？
Suddenly they came to a waterfall which dropped into an underground lake at the bottom of the cave.
突然，他们来到一道瀑布前，那瀑布奔泻而下，注入洞底一处地下湖里。