1.In the word “unimportant”, “un-”is a prefix.

1.在单词unimportant中un是前缀。

2.She prefixed a few remarks to her speech.

2.她在前了几句话。

3.Un- is a productive prefix.

3.un-是一个构词力活跃的前缀。

4.The prefix,etyma and suffix have been embedded inside.

4.前后缀及词根已被包含.

5.He was always addressed by his surname with prefix of “Mr.”

5.人们总是在的姓名前加上“先生”来称。

6.The indirect apodosis is often a speech act without a speech-act prefix.

6.间接论断句经常是省略了言语举动前缀的言语举动。

7.A prefix meaning one quadrillionth (xlo-15).

7.- 前缀，意指千万亿分一(xlo-15).

8.Notices based on original information, as opposed to those that republish information from another country, have their consecutive numbers prefixed by an asterisk.

8.根据原始资料而不是取国家资料再发布的通告在连续编号前有一个星形前缀。

9.The key features of the International System are decimalization, a system of prefixes, and a standard defined in terms of an invariable physical measure.

9.国际制度的主要特点是采用了十进制法、字首体系、以不变的物理度量方式解释的标准。