Three astronauts return to Earth safe and sound.

Five astronauts are carried in the spaceship.

搭载这架航天飞机的有五名航天员.

The returning astronauts splashed down safely.

返回的航天员们安全溅落.

She taught for many years before she became an astronaut.

在她成为航天员以前她已经教书很多年了.

Objective To analyze and study astronaut and his personal equipment safety.

目的分析研究航天中航天员及其个人装备的安全性.

Li Yongzhi: Professor, Astronaut Research and Training Center of China, Beijing 100094.

作者简介: 李勇枝:研究员, 中国航天员科研训练中心, 北京100094.

The boys made believe ( that ) they were astronauts.

男孩儿们假扮成航天员.

I know the polar bear 3 be from the Arctic 4, too.

我还知道北极熊来自北极.

In spite of vigilance a polar Bear escaped from the zoo.

尽管警戒很严,北极熊还是逃出了动物园.

A polar bear has a preference for cold weather.

北极熊喜欢寒冷的天气.

There was a great difference in adaptability to low light environment among combinations.

杂交水稻适应弱光环境的能力是由自身因素决定的,组合之间存在很大差异.

But they are on the first floor.

但是在一楼.

The Clarks live on the second floor of their house and lease the first floor.

克拉克一家住在他们房子的二楼,而把一楼租出去了.

The telephone is in the little study on the ground floor.

电话在一楼的小书房内.

There is a budget department on the first floor.

一楼有廉价商品部.

Heavy Load: You betcha! But check with Sky-Byte.

当然了! 但是你先跟天鲨商量一下.

Look at me now, I betcha prolly sick of me now.

现在看着我, 现在我厌恶这该死的.

The animals were seriously maltreated.

这些动物遭到残酷的虐待。

Isn't that a bit harsh?

那不是有些太残酷了吗？

I don't like durians especially their strong odd smell.

我不喜欢榴莲,特别是那股浓烈的怪味.

It's more hygienic to use disposable paper tissues.

使用一次性餐巾纸更为卫生.