限制性定语从句

Pay attention to the use of commas in the Non-restrictive Attributive clause.

注意逗号在非限制性定语从句中的用法。

Compare the two sentences in the same group and find out the differences between them.

某些句子用了逗号为非限制性定语从句， 同没有用逗号的相比，意义有很大区别。

Use two commas, not one, to set off a nonrestrictive clause in the middle of a sentence.

同样的，前者由非限制性定语从句构成。 但在科技文中，你需要将其转换成名词结构。

The divided Attributive Clause used as a form of expression can be demonstrated in both Restrictive Attributive Clauses and Non-restrictive Attributive Clauses.

英语离散式定语从句作为一种表达方式既可以体现在限制性定语从句中，也可以体现在非限制性定语从句中。

In such an experiment the insects can be taught to fly to the ultra-violet, which for us is just darkness.

在这样的实验中，能够训练昆虫飞向紫外线，而紫外线对我们来说只是一片黑暗。（非限制性定语从句后置，重复先行词）。