coal指煤的时候不可数；指煤块（尤其是燃烧着的煤块）时可数。 coaln.煤；(尤指燃烧着的)煤块；vt.上煤；加煤给…加煤 Coal is to be displaced by natural g...
如果只是cola这种液体的话就是不可数。 如果是 bottle of cola 这种就是可数了 因为这时候数的是bottle 而不是cola。 It costs as low as a can of cola. 只...
continuous adj. 连续的，持续的；继续的；连绵不断的； 例句There is a continuous stream of phone calls. 电话接连不断。 Continuous exposure to soun...
consultative adj. 咨询的； 例句It includes consultative, diagnostic, and treatment services. 它包括咨询、诊断和治疗的服务。 consult vt. 查阅；商...
compete的名词是competition。competition的意思是竞争，角逐，比赛，竞赛，竞争者，对手。例句There\'s been some fierce competition for the title（夺冠...
come on（表示鼓励）来吧；快点儿；加把劲；（疾病、头疼）开始；进展；进步；（机器或系统）开始工作 Come on, it\'s time we left. 快点，我们该走了。 Co...
concerned adj. 有关的；关心的； 例句 He is wholly concerned with his own grandeur. 他只关心他自己的显赫地位。 He didnt seem in the least concerne...
content 表示“甘心的，甘愿的”；contented指安于现状已无他求，有“知足”的意味 contentn.所容纳之物；所含之物；adj.满意；满足；愿意； contentedadj.(尤指...
comfortable adj. 舒适的，舒服的； 例句 Are you comfortable? 你感觉舒服吗？ She sat him up and made him comfortable. 她帮他坐起来，让他舒服些。 T...
compared with放句首做状语成分。 例句 Compared with her achievements, her shortcomings are, after all, only secondary. 她的缺点同她的成绩相比，毕...
