火药是希腊火的直接衍生物.Gunpowder was the lineal successor of the Greek fire.这类合成物是亚硝基羟胺衍生物.These compounds are nitrosohydroxylamine derivatives.很多环戊烷的衍生物在这个范围也出现吸收.Many cyclopentane derivatives also absorb in this region....
It'struck her as providential that she should be the instrument of his initiation.在她看来,由她来担任这个启蒙的角色实出天意.He explained the yellow fever epidemic as a providential act to discourage urban growth...他解释说黄热病的流行恰好减缓了城市的扩张。...
This technical process is simple, carburization is stable, application is widely.利用石墨煤增碳的炼钢技术,工艺简单可行, 增碳稳定, 应用广泛.Carburization of molten iron in the dropping zone of BF has been studied.高炉铁水渗碳的主要阶段在滴落带,炉缸内的渗碳过程不会掩盖滴落带的渗碳...
The runway is clear — go ahead and land.跑道畅通无阻，开始着陆吧。Go ahead and cry. Don't hold it in.只管哭吧。别忍着。The council has given the go-ahead to start building.委员会已批准破土动工。...
They take great pride in their heritage.他们为自己的历史传统深感自豪。The museum collection vividly portrays the heritage of 200 years of canals.博物馆的藏品让运河200年的历史再现眼前.The ancient buildings are part of the national heritage.这些古建筑是民族遗产的一部...
The 55 th Mechanised Brigade was a unit of Clone troopers that fought during the Clone Wars.第55机械化旅是在克隆人战争中参战的一支克隆人部队.Commander Wolffe's clone troopers have stylized wolf muzzles painted on their helmets.沃尔佛指挥官手下的克隆...