以上来源于: WordNet
N-COUNT A crash course in a particular subject is a short course in which you are taught basic facts or skills, for example, before you start a new job. 速成班
I did a 15-week crash course in typing.
我上了一个为期15周的打字速成班。
I did a 15-week crash course in typing.
我上了一个为期15周的打字速成班。
But I'm taking this crash course in math.
但是我正在上数学速成班。
The 2008–2009 crash course has changed all that.
2008至2009年的信用危机崩塌将一切都改变了。
So to explain all this we need now a sort of crash course in Plato's metaphysics.
要解释这些,我们现在得恶补一点柏拉图的形而上学
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