他们应该参加一些速成课程来赶上他们的同学。
They should take some crash courses to catch up with their classmates.
他们给我上了三天的速成课程。
第一学期里差不多用了一周来进行计算的速成课程。
About a week was spent in the first semester on a crash course in computing.
第一学期里差不多用了一周来进行计算的速成课程。
About a week was spent in the first semester on a crash course in computing.
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