掸[拭]去灰尘;(长期搁置后)重新使用[温习];迅速离开;擦去灰尘;

Four years after he graduated from school, Tom decided to dust off his algebra book.
汤姆从学校毕业四年后, 决意重温代数.
来源:《简明英汉词典》The family decided to shake the dust off their feet and emigrate to Australia.
这一家人愤然离开,移居澳洲.
来源:《简明英汉词典》An eye doctor will tell you that eyelashes can keep the dust off the eyes.
眼科医生会告诉你,眼睫毛可以帮眼睛挡去灰尘.
来源:互联网摘选The man rose from the ground, beating the dust off his clothes.
那个男子从地上站了起来,拍掉衣服上的尘土。(分词动作后于谓语动作)
来源:互联网摘选I won't write a new lecture; I'll just dust off the one I gave last year.
我不会再写新的讲稿,只要重新采用去年的那份就可以了。
来源:互联网摘选Four years after he graduated from school, tom decided to dust off his algebra books.
毕业4年后,汤姆决定重温搁置已久的代数书。
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