通過(guò)反復(fù)試驗(yàn)，他終于明白它是如何運(yùn)作的。（through trial and error）Through trial and error，he finally found out how it worked.Through trial and error，he finally found out how it worked.
【考點(diǎn)】固定搭配/句型．
【答案】Through trial and error，he finally found out how it worked.
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/4/20 14:35:0組卷：2引用：1難度：0.7