The skin of amphibians is permeable to water.两栖动物的皮肤是透水的。Two amphibians ferry them out over the sands.两辆水陆两用车把他们渡过沙滩.Amphibians live partly in water and partly on land.两栖动物有时生活在水中,有时生活在陆上....
The skin of amphibians is permeable to water.两栖动物的皮肤是透水的。Most amphibians have caducous gills.大多数两栖类动物都有早落腮.Amphibians live partly in water and partly on land.两栖动物有时生活在水中,有时生活在陆上.Two amphibians ferry them out over the san...
Ceiling and wall lights can operate independently.吊灯和壁灯可单独开关。The commission will operate independently of ministers.委员会将独立运作，不受各部部长管辖。He is independently wealthy.他靠自己的努力而致富。...
She had quite severe bruising and a cut lip.她身上有严重的淤伤，嘴唇也破了。He suffered cracked ribs and bruising.他断了肋骨还有挫伤。Within six weeks the bruising had gone, but it was six months before it all healed.青瘀在6周内就消退了，但伤却是6个月后才全好了。...