The slime layer consists of one aerobic and one anaerobic sublayer.粘膜层由好气分层和厌气分层所组成.the primeval slime from which all life developed生命起源的原生浆液Slim swans and slender skunks swim in the slippery slime.苗条的天鹅和纤细的臭鼬在滑滑的黏泥上游泳.H...
There was an unappealing film of slime on top of the pond.池塘表面有一层黏腻腻的污泥。The pond was full of mud and green slime.池子里满是淤泥和绿色的污水。The snail left a trail of slime along the floor.蜗牛在地板上留下一道黏液....
They are accused of organising and financing an underground youth movement.他们被指控组织并资助地下青年运动。The inves-tigators found that the underground pipes were badly corroded.调查人员发现地下管道严重腐蚀。Bus routes and railways, both overground ...
An abortion harms the mother and the child physically and emotionally.所以,堕胎这件事,对母亲与胎儿无论是身、是心都是伤害!The crosshead must establish protection cover, to avoid the incaution harms and operates the personnel.联轴器处必须设置保护罩, 以避免不小心伤...
Other early instruments included the sextant and the astrolabe.另外的早期仪器还有六分仪和星盘.The drum is one of the oldest musical instruments.鼓是最古老的乐器之一。Telescopes and microscopes are optical instruments.望远镜和显微镜是光学仪器.She conducted an...