查询词典 off and

Ruan: I don't care what you are talking about, I know now that I am a lay-off, and there is no money for my father to see the doctor.

阮：我不管你说的这些所谓的道理，我只知道我失业了，家里爸爸没钱治病。

I have leaned English for four years ,off and on.

我断断续续学了四年英语了。

I learn Engligh off and on for 4 years.

我断断续续学了四年英语了。

But sometimes, you need to learn to slough off, and then you may get progress.

人要成功一定要有永不放弃的精神，但你学会放弃的时候，你才开始进步。

I have been learn english off and on for four years!

我断断续续学了四年英语了。

You don't just go off and leave your trash lying around!

你不可以把垃圾随地一放就走人啊！

"I thought you were going to run off and leave me," she said.

"我还以为你要丢下我一个人跑了呢，"她说。

He stamped the letter, sealed it off and then, put it into a letter box .

他在信上贴好邮票，封好信口，然后把信投入信箱。

I am in New York for a short day off and I am in the audience of David Letterman show because ...

我在纽约作短暂休息一天，我在观众的斯显示，因为

However, at some point factors such as lack of nutrients, accumulated wastes, etc., limit further increase, when the curve of number against time begins to level off and the curve becomes sigmoid.

然而一些关键性因素如营养物的缺乏、代谢产物的积累等，限制了进一步的增长。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。