介词

I think prepositions are perhaps one of the hardest problems for me.

我认为在我介词或许是最困难的问题的之一。

I can't tell you how to use prepositions correctly.

我不能准确地告诉你怎样使用介词。

You really need to work on your prepositions .

你真的需要在介词上花点功夫

In many cases, English prepositions can be translated into...

此外，本文提供了几个常用介词英译汉的方法。

Prepositions are words that commonly indicate movement, but they must be in the correct order.

介词是一种通常表示运动的词语，但要在正确的顺序里来使用。

Use prepositions of time to talk about when something happens.

时间介词用以说明事情发生的时间。

Many of these prepositions have more than one meaning.

这些介词大多数有不止一种意思。

The same verbs and prepositions with different, the significance of differences.

1同一动词和不同介词搭配时，意义上的差异。

Are you having problems with prepositions?

你有介词方面的问题吗？

In fact, the prepositions of, to and in are among the ten most frequent words in English.

实际上，介词，非常频繁的会在10个英文对话中出现。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。