每周积累5个，积少成多；
每个句型都背2个例句，不会用也难；
12月，四级你等着，一定拿下你！
1  at the same time，  同时；然而
At the same time, along with the benefits of such machines,employees must study knowledge involved in such machines so that they are able to control them.
同时，随着这些机器带给我们的好处，员工们也必须要学习与之相关的知识以便使用它们。
I saw two boys rising to their feet at the same time.
我看见两个男孩同时站起来。
2  what is more，  而且
What is more, they even provide explanations for the findings.
而且，他们还为这个调查结果提供了科学的解释。
What is more, people have become afraid of one another.
更重要的是，墨西哥人变得害怕与别人接触交流了。
3  to sum up，  总之；概括地说
To sum up: Humans okay for sex, not okay for slaughter.
总结起来：人类允许性爱，不允许屠杀。
To sum up, do in Rome as Rome does, but you need not worry about thesecultural barriers since most Chinese are hospitable and amiable and will not mindyour nonproficiency.
总之，入乡随俗，但你也不必对这些文化障碍担心，因为大多数中国人都是好客和和蔼的，他们不会介意你的不熟悉。
4  to be specific，  具体地说
To be specific, they undertook the work of arranging water, electricity and gasinside a building after it was finished.
具体地说，就是一个楼盘盖好后，所有的水、电、气等配套工程都可以交给他们公司来完成。
I asked him to be more specific.
我要求他说得更具体些。
5  comes to，  谈到；来到；达到
When it comes to my homeland, I feel them both.
谈到我的祖国，我两者都能感受到。
She comes to us today.
她今天要上我们这儿来。
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