A soldier disinfects a body pulled a destroyed building.一士兵給坍塌的樓房里拖出的尸體消毒.One product that disinfects water with UV light is called AquaStar, made by Meridian Design.其中一種使用強光來凈化水的產品叫做“水星”, 是由子午線設計公司制造的....
我們看到一排排的紡紗機正全速運轉.We saw ranks of textile machines going at full blast.珍妮紡紗機: 早期的 多軸 機械,精紡羊毛或棉花.Spinning jenny : Early multiple - spindle machine for spinning wool or cotton.回顧了雪尼爾紡紗機的發展概況.The development history of cheni...
Climate reflects a basic struggle between constancy and change.氣候反映出穩定與變化之間基本的較量。He admired her courage and constancy.他欽佩她的勇氣和忠貞。The constancy of the speed of light seems, at first thought, unremarkable.光速恒定, 初看起來好像很平常....
對疼痛的忍耐力降低了,對感染的抵抗力也減弱了。There is lowered pain tolerance, lowered resistance to infection.這些猴子已經注射了由受感染的細胞培養而成的疫苗。The monkeys had been immunized with a vaccine made from infected cells.并不存在兒童受到感染的切實危險。There was never any r...