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These machines work on the same principle.

这些按同样的原理。

The moving parts of this machine should be oiled regularly.

这部的部件应该上油。

He is explaining how a machine operates.

他正在解释是如何的。

The planets move around the sun in ellipses.

各行星围绕太阳按椭圆形。

The worker oils the machine to operate it more efficiently.

工人给上油以使更有效。

We repaired the machine and it worked well ever after.

我们修好了, 从那以后它一直良好。

If the photocopier stops working just give it a clout.

如果那部影印停止的话就敲它一下。

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

那架飞在第一次试飞时情况令人满意。

This machine is not running correctly.

这台不正常。

The system is working tolerably well.

这一系统颇好。

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的宇宙飞船上!

The machine kept running.

一直。

The machine is operating properly.

这台正常。

The machine cycles automatically.

这台自动循环。

The motor usually operates well.

这台发动通常良好。

Is the equipment operational yet?

这套设备可投入了吗?

The engine went beautifully.

这台发动相当好。

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，但它们应该是自觉自愿的奉献，不是强迫支付。

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

洗衣房一旦安装好，你的洗衣房里的洗脱、烘干以及平烫要到你更换它们为止。

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，时速可达每秒百万，常用于沉淀分离蛋白质与核酸分子。