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....
制造商之间的恶性价格战已将利润削减到了最低。A vicious price war between manufacturers has cut margins to the bone.90%的肿块都不是恶性的。Nine out of ten lumps are not cancerous.检查手术切片，以判断是否为恶性。Tissue that is removed during the operation is checked for ...
Any assistance you could give the police will be greatly appreciated.您提供的任何帮助警方都将万分感谢。To be appreciated as a parent is quite unusual.可怜天下父母心。The mark appreciated 12 per cent against the dollar.德国马克对美元升值了12%。...