1.absentminded adj. 心不在焉的;健忘的(forgetful)
2.absorb vt. ①吸收 ②理解;掌握 ③吸引;使专心
①absorbed adj. 专心致志的;全神贯注的
②be absorbed in 专心致志于;全神贯注于
3.adventure n. ①[U]冒险 ②[C]冒险经历;奇遇
4.amaze vt. 使惊讶;使惊奇
①amazement n. [U]惊奇;惊讶
②amazed adj. 吃惊的;惊奇的(astonished)
③(be) amazed to do sth. 惊奇地做某事
④(be) amazed at/by sth. 对……感到吃惊
⑤(be) amazed+(that)/how从句
⑥amazing adj. 令人吃惊的(astonishing)