1：Don’t worry about the flat tire. No sweat! I have a car phone and a set of tools in back. Just let me get my jack and tire iron, and I’ll change the tire and have you back on the road in no time!
对于Jack说来轮胎瘪了显然不是大问题，因为他有汽车电话，而且车箱里还放着一套工具。所以他要Jill别担心，换个轮胎一点儿都不费劲儿。他只要取出车后面的千斤顶和铁扳手，没一会儿工夫就会把轮胎换好，让Jill开车上路。 这里的no sweat显然表示这是轻而易举、不费吹灰之力的事儿。
Girls who have gotten their periods lose some iron every month through their menstrual flow and active kids lose iron through their sweat - weird!
女孩会在每月时期经期失去一些铁而好动的小孩子会通过流汗失去铁——挺奇怪的！
Some iron is lost in sweat, and, for unknown reasons, intense endurance exercise is sometimes associated with bleeding of the digestive system.
有些铁离子随汗液流失。另外，由于某些未知的原因，高强度的耐力运动有时是与消化系统内出血联系在一起的。
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