上课时间缩减 学生能学到什么?

virtual- adj. existing or occurring on computers or on the Internet

shy- adj. tending to avoid something because of nervousness, fear, dislike, etc.

per se- adv. by, of, or in itself — used to indicate that something is being considered by itself and not along with other things

rigor- n. the quality or state of being very exact, careful, or strict

schedule- n. a plan of things that will be done and the times when they will be done

colleague- n. a person who works with you : a fellow worker

absorb- v. to learn (something)

impressive- adj. deserving attention, admiration, or respect : making a good impression