Cockroaches are like live fossils which have survived throughout the ages , since 300 million years ago.

Please put a tick in the box if this is a re-faxed form.

如此乃重覆传真的礼品换领表格,请于空格内加号.

Unary plus provides symmetry with unary minus , although it doesn't have any effect.

一元加号的含义与一元减号相反, 虽然它实际并不做任何事情.

Your routine urine exam shows that the urine albumin is positive with 2 plus.

您的尿常规反映是尿蛋折两个加号.

Or you can use the plus symbol.

或者你可以用加号.

B Yes, that's right. Or you can use the plus symbol.

B是的, 是这样. 或者你可以用加号.

The Olag sheeted , home her tap-gallant sails and swept slowly out.

奥尔加号帆船扣紧了上桅帆缓慢地驶出.

Yes, that's right. Or you can use plus symbol.

是的, 是这样. 或者你可以用加号.

PLST is for sale to aviation service companies, fuel providers, and airport authorities.

PLST主要面向航空服务公司 、 航煤供应商和机场当局.

But in the last few years, we've started to work things out.

但是过去这几年我们已经开始有所转变.

Yes , very much. But I've only collected a few stamps these years.

非常喜欢. 但这几年来我没集几枚.

When she came back, she found that much had changed in the intervening years.

她回来后发现这几年有了很大的变化.

In the past few years the workers have put forward a lot of suggestions ( opinions ).

这几年来,工人们提出了大量建议 ( 意见 ).

All these years have ye not enjoyed my revenues, and led my men?

这几年来,你不是挥霍着我的钱财,使唤着我的佣人 吗 ?

These were evil years, indeed in Hawaii.

这几年确实是夏威夷遭厄运的年头.

I've known you all through high school.

你们上中学这几年,我认识了你们.

The canoe swung wildly as it hit the strong current.

独木舟在撞上急流时剧烈摇晃。

My professional progress appeared to slam into a brick wall shortly thereafter.

此后不久，我的职业发展似乎撞上了一堵砖墙。

The express train was sunk after hitting a prime obstacle on the tracks.

特快列车在撞上轨道上的主要障碍物后沉没了。

The vehicle's side was struck heavily by a stumbling pedestrian.

这辆车的侧面被一名踉跄的行人重重地撞上。

The buggy hit a bump and Nancy nearly fell out.

童车撞上了一个凸起，南茜差点摔了出去。