Optional priority
[计] 任选优先
🧩 词语组成解析
🗣️ 情景例句
Sometimes, at night,
有时候， 在夜晚，
The doctor said I should stop smoking cigarettes.
医生劝告我戒烟。
Professors from the university in Paris would be coming down by train.
巴黎那些大学的教授们将会坐火车来这里。