about、for、of、on、with用法区别 about指代关于某件事情,某个事物,即about sth. 例如:talk about... on与about类似,但是更正式一点,关于某件事情或某个事物,即on sth. 例如:study on...[学习关于...] research on...[研究关于...] for 带有目的性和针对性的,对于/关...
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...
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