n. 钟,时钟;计时器;秒表;仪表;
vt. 记录(时间或速度);测…的速度;
vi. 打卡;记下时间;
🗣️ 情景例句
Use a dictionary and grammar guide constantly.
经常使用字典和语法指南。
Her skirt is behind the chair.
她的裙子在椅子后面。
She always referred to them as 'the shifting population', for they came and went with such frequency that I never even got a chance to learn their names.