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- They consist of concentric shells of graphite,with each shell rolled into a cylinder so the lattice of carbon atoms remains continuous. 它们由石墨的同心外壳组成，每个壳圈成圆柱，所以碳原子的晶格仍是连续的。
- They consist of concentric shells of graphite, with each shell rolled into a cylinder so the lattice of carbon atoms remains continuous. 它们由石墨的同心外壳组成，每个壳圈成圆柱，所以碳原子的晶格仍是连续的。
- Chock the barrel up or else it will roll over. 用楔子塞住圆桶,不然它会滚过去。
- The comedian soon had them rolling in the aisles. 那滑稽演员很快就逗得他们捧腹大笑。
- The national debts of that country are rolling up. 那个国家的国债在不断地增加。
- Keep down of you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- He's a rolling stone and got no where all his life. 他见异思迁，毕生一事无成。
- Smoke was rolling up from the burning oil up smoke. 正在燃烧的汽油箱上浓烟滚滚。
- The snail retreated into its shell. 蜗牛缩进壳里去了。
- The slow steady roll of the ship made him sick. 轮船不停地缓慢摇晃使他感到不适。
- The ship was rolling heavily to and fro. 那船晃来晃去很不平稳。
- A shell splinter embedded itself in the wall above his head. 在他头上方的墙壁上嵌有一块小小的贝壳片。
- The building was burned to a shell. 大楼被烧得只剩下空骨架。
- The despair left him a mere shell of a man. 他陷入绝望，形同躯壳。
- The desk calculator use a roll of paper. 这台台式计算机使用卷纸。
- She crumbled an empty snail shell in her fingers. 她用手指捏碎了一个空蜗牛壳。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- She is crazy about rock and roll. 她喜欢摇滚乐。
- Keep down or you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The building was destroyed by an artillery shell. 这座建筑物被炮弹炸毁了。
