Let's pretend we're on the spaceship orbiting round the earth!

让我们假装是在沿轨道绕地球运的宇宙飞船上!

We repaired the machine and it worked well ever after.

我们修了机器, 从那以后它一直运。

The aircraft’s behavior was satisfactory on its first test flight.

那架飞机在第一次试飞时运情况令人满意。

The planets move around the sun in ellipses.

各行星围绕太阳按椭圆形运。

If the photocopier stops working just give it a clout.

如果那部影印机停止运的话就敲它一下。

These machines work on the same principle.

这些机器按样的原理运。

He is explaining how a machine operates.

他在解释机器是如何运的。

The moving parts of this machine should be oiled regularly.

这部机器的运部件应该上油。

The worker oils the machine to operate it more efficiently.

工人给机器上油以使机器运更有效。

This machine is not running correctly.

这台机器运得。

The system is working tolerably well.

这一系统运得颇。

Once installed, your laundry’s washer-extractors, drying tumblers and flatwork ironers aren’t going anywhere until you replace them.

洗衣房一旦安装，你的洗衣房里的洗脱机、烘干机以及平烫机要运到你更换它们为止。

The community cannot work without funds, but these should always be freewill offerings, not compul sory payments.

教会没有资金无法运，但它们应该是自觉自愿的奉献，是强迫支付。

The machine kept running.

机器一直运。

The machine is operating properly.

这台机器运。

The motor usually operates well.

这台发动机通运。

The machine cycles automatically.

这台机器自动循环运。

Is the equipment operational yet?

这套设备可投入运了吗?

The engine went beautifully.

这台发动机运得相当。

Ultracentrifuge A high-speed centrifuge, operating at up to a million revolutions per second that is used to sediment protein and nucleic acid molecules.

一种高速离心设备，运时速可达每秒百万，用于沉淀分离蛋白质与核酸分子。