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1、Unit 14 Automobile Diagnosis,Contents,I. New Words,II. Phrases and Expressions,III. Text Explanation,I. New Words,diagnosis daignusis n. 诊断 perform pf:m v. 履行，执行，表演，演出 identify aidentifai v. 识别，鉴别，把 和 看成一样，确定 troubleshoot v. 寻找（检查及排除，检修，消除，查找）故障 compatibility km,ptbiliti n. 兼容性 bewildering biwild ad
2、j. 令人困惑的，使人混乱的 preliminary priliminri adj. 预备的，初步的 symptom simptm n. 症状，征兆 impedance impi:dns n. 阻抗,II. Phrases and Expressions,repair manual 维修手册 diagnostic tree 故障树 hand-held tester 手持式诊断仪 trouble code 故障码 spark timing 点火时间 IGT(ignition triggering) signal 点火触发信号 IGF(ignition feedback) signal 点火反馈信
3、号 fuel-pressure regulator 油压调节器 fuel pump 油泵,III. Text Explanation,Ideally, after listening to the customers initial comments, you will think for a moment, come up with a preliminary diagnosis, then ask some pertinent questions to help confirm or reject your ideas. come up with 想出,提出 译文：最好是，在听取车主最初的
4、描述后，想一下，然后做出一个初步的诊断思路，最后再问几个相关问题来帮助确定或否决你的决定。 come up with Now scientists have come up with a new theory for why woman live, on average, longer than men: men are more biologically disposable. 如今,关于女性为何通常比男性长寿,科学家们提出了一种新的说法:从生理上来讲,男性的身体更“不耐用”。,III. Text Explanation,Additional functions and their corr
5、esponding equipment in todays cars create to a bewildering tangle of cables and confusing functional connections. Corresponding a. 1. 符合的;一致的;相同的 2. 对应的;相应的 3. 同位的,对应的 数学中是同位角的意思。 4. 通信的 译文：现代汽车上的这些附加功能及相应装置使汽车的连线错综复杂而呈现出令人困惑的混乱状态。 corresponding privileges with corresponding obligations 带有相应义务的特权,II
6、I. Text Explanation,So if you want to find out and then solve the trouble as quickly as possible, you should firstly be quite familiar with the structure and function of various sensors, secondly check every part sequentially, i.e. start from the first element in the whole circuit, then check one by
7、 one. Remember the Chinese saying: follow the rattan to get the melon. find out 发现,查出 译文：因此如果想尽快地找到并解决故障，那么应该首先熟悉各传感器的结构和功能，然后再逐一地检查每个部件。例如，从整个电路的第一个部件开始，一个一个地检查，正如中国的一句俗语：顺藤摸瓜。 find out I sat down with him to find out what its all about. 我与他一起坐下来,我要弄清楚这本书的精髓,III. Text Explanation,In terms of no spa
8、rk, we shall firstly check if there is an on-and-off IGT (ignition triggering) signal on the ICM; if yes, secondly check the on-and-off signal on the ignition coil; if yes, thirdly check the impedance of the primary and secondary coil; if yes, there should have spark in the spark plug provided that
9、the high-tension cord and spark plug are normal. In terms of 根据, 按照, 用.的话, 在.方面 就.而论; 译文：根据不点火的情况，首先应该检查IGF（点火反馈）脉冲信号；如果正常，第二步是检查喷油器的脉冲信号和电阻；如果正常，但是依然没有燃油喷射，则再检查油轨里面的燃油压力；如果正常，气缸内要有燃油喷射，前提是燃油压力调节器是正常的。 In terms of In terms of money, hes quite rich, but not in terms of happiness. 就钱来说他很富有,但就幸福来说就不然了。,
