幼虫变为蛹,然後再变成蝴蝶.A larva metamorphose into a chrysalis and then into a butterfly.蝴蝶由蛹孵化而出.The butterfly emerged from the pupa.蛹蛰伏在土壤中，直到冬天它们才蜕变成蛾子飞出来。The pupae remain dormant in the soil until they emerge as adult moths in ...
Biologists need to compare xerophyte and hydrophyte生物学家需要对比旱生植物和水生植物。Hydrophyte A plant found growing in water or in extremely wet areas.水生植物:是生长在水中或是极端潮湿的环境中的植物.A new type of ecological floating bed was developed that c...
This defensibility embodied mare distinctly in the combat historical area.民居中的防卫性在历史上战争或者争斗频繁的地区表现得尤为突出.They built their castles with an eye to their defensibility.出于防卫的需要,他们修建了自己的城堡.Client complaints create a felt need ...
“请原谅我礼数不周，”她平静地说。“我忘了自我介绍了。”"Forgive my manners," she said calmly. "I neglected to introduce myself."他直截了当且礼数周全，但是态度冷淡。He is direct and courteous but distant.在古代礼数是十分森严的,稍有僭越就会有杀身之祸.All that the soldiers in ancient times...