Precleared
(preclear 的过去分词) vt.预先给…核发许可证,事先批准
🗣️ 情景例句
As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
How much paint did you want to order?
你要订购多少油漆？
(A light year is the distance which light travels at 186,000 miles per second in one year,
一光年是光以每秒186，000英里的速度在一年内走的距离，