When hay fever first occurs it is often mistaken for a summer cold.

They are talking about some technical terms often occurring in business documents.

他们谈到一些在商业票据中经常出现的术语.

At times we saw this occurring at Matsushita as well as at ITT.

我们多次在松下和国际电话电报公司看到这样情况.

The rock varies in color: white, buff, brown, black, and green varieties occurring.

岩石在颜色上有多种变化,有白色 、 淡黄色 、 棕色 、 黑色及多种绿色变种.

Oil is refined to remove naturally occurring impurities.

油经过提炼去除天然存在的杂质。

Traffic accidents are occurring thick and fast in the area.

这一地区频频发生交通事故.

In-flight winds are occurring above a height of 150 meters.

飞行风是150米高度以上出现的风.

When exactly did the incident occur?

这一事件究竟是什么时候发生的？

No one has suggested how this might occur.

没人说得清这事是怎么发生的。

An explosion will probably occur at any minute.

炸弹随时可能爆炸.

Food shortages often occur in time of war.

在战争期间常常发生粮食短缺的情形.

Misprints occur on every page.

每一面都有印刷错误.

It did not occur to me to check my insurance policy.

我没有想到要核实我的保险单条款。

There will come a time when the crisis will occur.

危机总有一天会爆发。

Opportunities for learning occur spontaneously every day.

学习的机会每天都会自然而然地出现.

Didn't it occur to you to close the window?

难道你没有想到去关窗户 吗 ?

Chemical transformations occur.

发生了化学转换。

He walked out of the room, mouthing curses.

他走出房间, 嘴里嘟嘟囔囔地咒骂着.

This was what he was mouthing to Kaman after his turnaround shot in the 4 th quarter.

这是姚明在第4节投中转身跳投之后对卡曼说的话.

He crept into the corner, mouthing curses.

他悄悄地移到角落, 嘴里喃喃地诅咒着.

As to what happens when the after-work drinks percent-mouthing a colleague 10 percenta secret a colleague.

在被问及下班后的欢饮时光都会做些什么的时候,有16%的人表示会讲同事坏话10%的人会散播某位同事的秘密.