a adj.一、一個 At last, we find something. 最後,我們終於有所發現。 This is a book. 這是一本書。 able adj.能、能夠 She is able to speak English. 她能說英語。 She is a good student. 她是一個好學生。 be able to 有能力做某事…… about prep.關於、將近 Tell me about your sister. 告訴我一些關於你妹妹的事。 Mary was about to enter the house. 瑪麗正要走進這間房子。 be able to 有能力做某事…… above prep.上……之上 The birds are flying above us. 小鳥在我們上方飛翔。 They are singing. 他們正在歌唱。