前缀的区别:
1. dis-常加在名、形、动之前。如: discomfort, dishonest, disagree;
2.in-,im-,(in-在辅音n,l,m,p,r前要变体)加在形容词、名词、副词上。如:inexpensive;
3.un-加在动词、名词上构成动词,表示“反动作”的意义。 扩展资料
She carried her left arm at an awkward angle, as if it were causing her discomfort.
她的左胳膊很不自然地抬着,好像它让她不舒服似的。
Nonfat dry milk is an inexpensive proteinaceous eluent.
脱脂奶粉是廉价的蛋白质洗脱剂。