I am a mental worker.

An industrial worker is one who is engaged in industry.

产业工人是从事工业的工人.

We pay casual worker 2 an hour for stuffing envelope or for envelope stuffing.

我们付装信封的临时工一小时2英镑.

The girl is going to put up her hair.

姑娘准备把头发束起来.

The practice of the art dominates, design from first principles is rarely attempted.

在设计中还是以经验成分为主, 很少有试用基本原理进行设计的.

In this argument I am proceeding from first principles.

我这个论点是从最初原则发展而来的.

One of the first principles of probability is the idea of independence.

概率论第一个基本原理中的一条是事件的独立性.

Discussing all these details will get us nowhere: we must get back to first principles.

讨论这些枝节问题是毫无用处的,我们必须回到基本原则上来.

To have doubted one's own first principles is the mark of a civilized man.

曾对自己的首要原则表示过怀疑,是文明人的标记.

The second objective is to develop the first principles of statistical inference.

这一章的第二个目的是研究统计推断的一些基本原则.

All of this, just because the first light in morning.

这美妙的一切, 都只因为那晨曦的第一缕光芒.

Thomas Edison created the first light bulb.

爱迪生创造了第一颗灯泡.

Get a good night's rest, men, we join battle with the enemy at first light.

士兵们, 晚上好好睡一觉, 明天天一亮我们就要和敌人交战.

The attack will jump off at first light.

进攻将从拂晓开始.

The attack was on at the first light.

天一亮,进攻就开始了.

Nor yet did he make the first light bulb, nor the first generator.

爱迪生也不是做出第一支电灯泡的人,至少他做的电灯不是第一代的.

But we also knew at first light they were going to attack.

我们也知道,天一亮他们就会进攻.

By the time the attack came , at first light, we were already at work.

进攻开始那天, 我们天刚亮就开始忙碌了.

He left home at first light.

他在天刚亮时出门.

B: Turn left at the first light.

到第一排红绿灯处往左拐.

They set off at first light.

他们天一亮就出发了.