touch /tʌtʃ/ I. vt. & vi. 1.触摸，接触： Don’t touch that paint; it’s wet. 油漆未干，请勿触摸。His head almost touches the ceiling.他的头几乎碰到天花板。2. 触动，感动：The hero’s speech touched the entire audience. 英雄的报告使全体听众深有感触。3.涉及，论及：We touched many topics in our talk. 我们的谈话涉及到许多主题。4. 用于短语动词 touch down（飞机）着陆：We touched down in Pudong airport. 我们在浦东机场着落。touch off激起（骚乱、抗议等）：The plans for a new airport have touched off a storm of protest. 建造一个新机场的计划激起了一场抗议风潮。touch (up)on顺便提及：The talk was about educational opportunities for adults, and the speaker also touched upon sources of finance.谈话的主题是成人接受教育的机会，发言人也顺便提及财经来源的问题。touch up（稍作改变）提高，改善：We thought the photo had probably been touched up, because he looked so much younger in it.我们觉得相片很可能作了一些简单的技术处理，因为相片里的他看起来年轻多了。 ‖II. n.［c］（通常作sing.）1.接触：Even the slightest touch will break it. 即使最轻轻的一触也会弄破它。I felt a touch on my arm. 我觉得臂上有人摸了一下。 2. 少许，一点： add a touch of sugar 加一点糖；have a touch of cold 有点感冒；get in/into touch with 与…建立联系；lose/(be) out of touch with 与…失去联系 keep in touch with与…保持联络：A newspaper keeps one in touch with the world. 报纸使人与世界保持联系。