Watchout
n. 留神观察, 留心守候, 监视
🗣️ 情景例句
I need to post a letter.
我得去寄封信。
I'm a graduate of Yale University, I have an M.S.degree.
我是耶鲁大学的毕业生，我有理学硕士学位。
but while the drum was being shaken,
但是，圆筒受到震动，