矿工头戴钢盔,防护落下的岩石.用英语怎么说？

矿工头戴钢盔,防护落下的岩石.

Miners wore a helmet as a guard against falling rocks.

miners

n. 矿工( miner的名词复数 )；

例句
It was still dark when five coaches started to ferry the miners the 140 miles from the Silverhill colliery...
天还黑着，就有5辆大巴开始从距银山煤矿 140 英里的地方出发运送矿工。

wore

v. 穿着( wear的过去式 )，磨成，使疲乏，同意；

例句
I wore sunglasses all the time and people thought it was an affectation...
我成天戴着墨镜，大家都觉得我在装酷。

helmet

n. 头盔，钢盔，盔形物，盔状物，[植]盔状花冠；vt. 给…戴上头盔；

例句
A man in a crash helmet was mounting a motorbike...
一位戴头盔的男子正跨上摩托车。

as

adv. 同样地，一样地，例如；prep. 作为，以…的身份，如

例句
As far as I can recall, Patti was a Smith.
我记得帕蒂是姓史密斯的。

guard

n. 警卫，狱吏，看守，护卫队，防护装置；vt. 保卫，守护，看守，加防护装置，谨慎使用；vi. 警惕，警卫；

例句
A guard was blowing his whistle.
一个警卫正在吹警笛。

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

falling

n. 落下，坠落，下降，陷落；adj. 落下的，下降的；v. 降低( fall的现在分词 )，来临，成为，降落；

例句
The profits rise was achieved against a backdrop of falling metal prices.
在金属价格下跌的背景下，利润提高了。

rocks

n. 岩石( rock的名词复数 )，石头，岩块，摇滚乐；v. （使）来回摆动( rock的第三人称单数 )，使震惊，使受震动；

例句
They're using dynamite to blast away rocks to put a road in.
他们用炸药炸石筑路。