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...