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

来源：学生作业帮编辑：拍题作业网作业帮分类：英语作业时间：2024/04/29 20:27:45

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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