The old cuticle is digested by molting fluid.旧表皮被蜕皮液消化.Molting in insects is triggered by rising levels of a hormone called ecdysone.昆虫的脱皮是由于称为脱皮素激素的含量升高而引起的.Molting is controlled by a hormone.蜕皮是由一种激素....
Traditionally young Asians in Britain have gravitated towards medicine, law and engineering.英国的亚裔年轻人通常被吸引到医学、法律及工程专业。British Asians have begun a campaign calling for an end to discrimination.亚裔英国人发起了一项呼吁消除种族歧视的运动。The len...
Every successive element of fluid undergoes the throttling process in a continuous stream.在连续的流动中,每一流体元相继地经历节流过程.All living matter undergoes a process of metabolism.生物都有新陈代谢.After reproduction of the viral nucleic acid t...
Staples such as bread, rice and tea are already being rationed.面包、大米和茶叶等日常必需品已实行配给。Motorists will be rationed to thirty litres of petrol a month.汽车司机每月的油量将限定为30升。Many basic goods are now rationed. Less and less is availa...
很难为国民医疗保健系统的实验室招募到资历合适的高级科研人员。There are problems in recruiting suitably qualified scientific officers for NHS laboratories.他协助招募志愿者到巴基斯坦打仗。He helped to recruit volunteers to go to Pakistan to fight.他们今天参加《西贡小姐》剧组招募新演员的试镜...