The virulent strains had a polysaccharide capsule and formed smooth colonies on agar medium . 有毒菌株具有多糖荚膜它在琼脂培养基上形成光滑的菌落。
Juices of roots slowly dissolve some rocks, as can be seen by sprouting beams on a piece of smooth marble . 根部的汁液缓慢地溶解某些岩石,光滑的大理岩上长豆子可以说明这情况。
The bushes were dark evergreen and aromatic and the many buds were green and folded up against the light . 矮灌木丛是墨绿的长青树,芳香扑鼻,好多光滑的绿色花蕾叠着花瓣朝向阳光。
Micro-occlusion was more important for tougher surfaced natural fibers than for smooth, round man-made fibers . 微观的吸留现象在表面粗糙的天然纤维上比在光滑的圆形化学纤维上较为重要。
A unicoursal curve is formed by starting at any point on a sheet of paper and drawing a smooth line that may intersect itself . 一条单行曲线是指从纸上任意一点出发画出的一条光滑的可以自身相交的曲线。
The effect is easy to observe on a smooth, flat-black material(eg. poster-painted paper), but you can see it on a fingernail or a worn coin as well . 在一个光滑的、平而黑的材料上(例如招贴画的纸)容易看到这个效应,但是也可以在指甲上或旧的硬币上看到。
The plum, sleek hand of the lady with the roman nose curved convulsively; and this movement corresponded to the feeling agitating shelton's heart . 那个长着罗马型鼻子的太太的又肥胖又光滑的手抽搐地弯曲了一下;这个动作倒跟那种激动谢尔顿心灵感觉遥相呼应。
We skate on the glassy surface of the freeze pond 我们在池塘的光滑的冰上溜冰。
We skated on the glassy surface of the frozen pond 我们在池塘光滑的冰上溜冰。
7 . tripping on loose clothing and slippery shoes 7 .过松及过长的裤子光滑的鞋底。