tap

tapⅠ/tæp/ I. n. ［c］ 塞子，龙头：tap water 自来水；the gas tap 煤气开关；turn on (off) the tap 开(关)龙头 You mustn’t leave the tap running. 不要让龙头开着。 ‖II.vt. 利用，开发：tap the natural resources 开发自然资源；tap the production potential 发掘生产潜力

［辨析］见exploit 

tapⅡ/tæp/ I. n. ［c］轻叩，轻拍：There was a tap at the door. 有人敲门。I felt a tap on my shoulder. 我感到有人在我肩上拍了一下。‖II. vt. & vi. 轻叩，轻拍：tap time 打拍子；tap the table with pencil 用铅笔轻敲桌面 Rain tapped on the windowpane. 雨水敲打在窗格上。