able/ability/enable/unable/disable/disabled/disabilityable的同根词用法一致,后接不定式。比较：be able to do sth. / be capable of (doing) sth.2. 动词词缀：en-+ adj..或adj..+/-enenable/enlarge/enrich/encourage/brighten/widen/worsen/sharpen/strengthen/heighten/lengthen3. abandon vt. 放弃，抛弃，放纵abandon oneself to 纵情于，沉溺于 (=be addicted to)4. aboard adv. 在船(车)上，上船abroad adv. 在国外，到国外board n. 木板 on board 在船上broad adj. 宽的，宽阔的5. absent adj. 不在的, 缺席的 (反：present)6. absolute adj. 完全的, 绝对的7. absorb vt. 吸收, 吸引be absorbed in 全神贯注于8. abundant adj. 丰富的，大量的 (=plentiful)9. access n. 通路, 接近，入门have access to 接近，有权使用e.g. Citizens may have free access to the public library.10. accident n. 意外事件, 事故by accident 偶然(=by chance) (on purpose 故意)

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