Preperforative
[医] 穿孔前的
🗣️ 情景例句
Easy does it, tom. don't get all worked up.
冷静点，汤姆，不要太激动。
In university, students are trained to become teachers and engineers.
大学的学生被训练成为教师和工程师。
Though in those days, traveling was not as easy as it is today,
尽管在当时旅行不像现在这么容易，