spend…in doing sth与spend…on doing sth都可以表示“花费金钱做某事”，通常可以互换使用。 例如： He spends a lot of money on entertaining friends. (张道真主编《现代英语用法词典 …
spend on sth的结构是spend+money/effort+on+noun，而spend doing sth的结构是spend+time/effort+doing+verb。 例句： ① They spend a lot of effort on this …
v. (spent,spent) 花费,浪费,度过. [ 过去式spent 过去分词spent 名词spender 形容词spendable. He spend less time in reading. 他读书时间很少。 We spend more time outdoors . 我们有较多的 …
spend time doing something 不用in/on doing. 但可以说spend time on/in sth. 请看《剑桥词典》例句： 外刊例句： 1.Good teachers spend a lot of time in research, and with their students. …
在表达花费时间方面，“spend doing sth”可以指某人在做某事上花费的时间量。. 例如：. 1.She spends hours studying in the library every day.（她每天在图书馆学习几个小时。. 2.They …
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