experiment: noun meaning something that you do to see the result. Often used when speaking about scientists and their studies. 名词,意为为了得到结果而做的某事。常在谈论科学家及其研究时使用。 Examples: 例子: They did a number of experiments last wee...
“learn a lesson”可以理解为“学完一课(书)”,也可理解为“吸取教训”。短语“learn from”主要指吸取教训,如“learn from one's mistakes”(从错误中吸取经验教训)。因此,从这个意义上,“Learn from Comrade Lei Feng”的意思是要人们“吸取雷锋的经验教训,不要犯...
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