生铁可含百分之四的碳.Pig iron may contain 4％ of carbon.独立战争前夕，北美十三州每年生产3万吨生铁。On the eve of the Revolution, the colonies produced thirty thousand tons of crude iron a year.并非一概如此 — 例如从低级铁矿石中生产生铁和钢材的情况一但是这导致了工业发展集中在煤田上.This is not a...
He fixed a bayonet to the end of his rifle.他在步枪口上安好了刺刀。A soldier plunged a bayonet into his body.一名士兵将刺刀插进了他的身体。A bayonet blade is forged from the finest steel.刺刀刃是用最优质的钢锻造的....
Overhead, the chopper roared and the big blades churned the air.头顶上，直升机在呼啸，巨大的螺旋桨叶片搅动着空气。The chopper would not arrive until after the press contingent had departed by bus.记者组乘大客车离开后飞机再来.So what do you want to do about sh...
The hot liquid splashed down on the concrete and rebounded.滚烫的液体泼在水泥地面上又溅了起来。Brian splashed water on his face, then brushed his teeth.布赖恩用水冲了把脸，然后刷牙。The newspapers splashed the story all over their front pages.各家报纸都以整个头版...
非 表面活性剂 的添加剂称作助洗剂,长期以来用以改进表面活性剂的去污作用.Nonsurfactant additives known as " builders " have long been used to improve detergent action of surfactants.如同所有化学和物理的过程一样, 温度对去污作用有重要影响.As in all chemical and physical processes, te...
不要直接加热烘干内衣，那样会损坏布料。Never dry underwear over direct heat; it will weaken the fabric.厨房内充斥着烘干制服的难闻气味。The kitchen was rank with the smell of drying uniforms.炉火的高温很快就会烘干你的上衣.The heat from the fire will soon dry your coat....