【正文】
n. 角色 the key role of the teacher in the learning process 教師在教學中的關(guān)鍵作用 sign n. 標志 She gave us a sign to leave the room. 她示意我們離開房間。 circle v. 圍繞,畫圈 The plane circled the airport before landing. 飛機著陸前圍繞機場盤旋。 應(yīng)掌握的短語 : at an estate ag ency 在房產(chǎn)代理處 Lily is looking for a flat sat an estate agency. 莉麗正在房產(chǎn)代理處找房子。 sitting room 客廳 We are watching TV in the sitting room. 我們在客廳看電視。 in diffe