请问add to ,add up to ,add by ,add up 这四个短语的用法及区别谢谢
1个回答

add to :增加；增进

increase

· That will only add to our difficulties.

那只会增加我们的困难.

· I don't want to add to your troubles.

我不想给你增加麻烦.

add up to :总数为；总计为；意味着；总而言之

amount to; mean; signify

· The figures add up to 137.

这些数目加起来总和是一百三十七.

· He made a number of criticisms,but they didn't add up to much.

他提了一些批评意见,但这些意见没有多大价值.

add up:总计

find the total of

· Add up 6,7 and 8 and you'll get 21.

把六、七、八相加,总数是二十一.

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