灵敏

任何一门语言都是丰富多彩的，因为它来源于生活。英文中的slow on the draw就是这样一个片语。draw 在这里指拔出(枪、刀等武器)的动作。历史上，在美国西部的枪手对决中，拔枪速度是影响胜负的关键因素，因此 draw 便用来比喻反应的灵敏

ear的音标：英 /ɪə(r)/，美 /ɪr/。词组：by ear 不看乐谱;凭听觉。inner ear 内耳。play it by ear 随机行事;无计划地进行。give ear to 倾听;注意。have an ear for 对...听觉灵敏;对...有鉴赏力wet behind the ears 乳臭未干的;少不

ught but daily showers and fridges, which mask bad odours, have stopped us noticing.Previously it was estimated that we could smell 10,000 odours but now researchers say it is more like one trillion.Scientists believe ou