Bool
[计] 布尔, 逻辑的
🗣️ 情景例句
What can I do?
那我能做点什么呢？
She began playing the violin when she was nine.
九岁的时候，她开始拉小提琴。
I looked out of the window.It was dark outside.
我望望窗外，外面一片昏暗。