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重点讲解：
1. pick up
（通常指开车）接载，取走；
eg. I pick up my sister from her school.
我到学校接妹妹。
eg. She drove across town to the university to pick up Saul.
她驾车驶过市区到大学去接索尔。
2. all kinds of
各种类型的；五花八门的；
eg. Donations came from all kinds of people.
捐赠来自于各界人士。
eg. These woods are frequented by all kinds of birds.
这些树林里经常栖息着各种鸟类。
3. open up
打开；开始；开放；
eg. We decided to open up a business in the town.
我们决定在城内开一家商店。
eg. The postoffice is opening up a new branch.
邮局新开设了一个分局。
n. 分支，树枝，分店，分部
v. 分支，分岔
