I mean to buy a vacuum next month.

We lived in a vacuum — no life, no news, no books.

我们生活在与世隔绝的环境里——没有其他生物，收不到外界消息，也没有书看。

The vacuum has an unpleasant smell.

那个真空吸尘器有股很难闻的气味。

Sound waves cannot travel through a vacuum.

声波不能在真空中传播.

His wife's death left a vacuum in his life.

他妻子的去世使他的生活变得空虚.

Used to test linear velocity and speed of all kinds of machine and power units.

用于测量各种机械和动力设备的转速和线速度.

A bullet goes from this gun with a velocity of 3000 feet per second.

此枪射出的子弹,其速度为每秒3000英尺.

The wires are made to move with uniform velocity.

电线以匀速度移动.

The terminal velocity model on short distance running is researched.

研究了短跑的“收尾速度”模型.

The velocity of light is about 300000 kilometres per second.

光速约为每秒300000公里.

This frequency multiplier may be used satisfactorily as the output stage some velocity radar.

这种倍频器可以满意地用作为某型测速雷达的输出级.

This method makes good use of the relative velocity of AUV.

该方法较好地利用了相对速度的信息.

the velocity of light

光速

The result suggests that pressure magnitude, pressurizing velocity and manner, and etc.

表明压力高低 、 加压速度快慢、加压方式等对油藏渗流和变形产生显著影响.

Hesitation posisons your bravery, will and initial velocity.

踌躇将拖慢勇气 、 意志、初速.

For Bluetooth worm propagation, a determining factor is moving velocity of smart phone in mobile environment.

对于蓝牙环境下智能手机蠕虫病毒的传播, 手机的移动速度是一个重要因素.

The goal of this phase is to reach maximum velocity.

这个阶段的目的是要达到最大的游进速度.

The baby doubled its weight in a year.

那婴儿一年中体重增加了一倍.

The tent began to sag under the weight of the rain.

雨水使得帐篷中间开始下坠。

Some people will gain weight, no matter how hard they try to slim.

有些人无论多么努力地减肥，都会长肉。

It is about 76 kilos in weight .

这东西重约76千克。