题目内容
a. artificial; made by combining chemical substances rather than being produced naturally by plants or animals
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a. better in quality than sb. /sth. else; greater than sb. /sth. else
vt. to surprise sb. suddenly in a way that slightly shocks or frightens them
done completely; with great attention to detail
n. a small simple building, usually built of wood or metal, used for keeping things in; v. to get rid of sth. that is no longer wanted
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