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英语单词“signal”的意思是：信号；迹象；标志。读音为：英 [ˈsɪɡn(ə)l]、美 [ˈsɪɡn(ə)l]。例句为：He used a hand signal to indicate the turn. 他用手势表示了转弯。
以下是再给一些含有“signal”的句子，帮助您更好的理解和使用这个单词：
1. The police officer signaled for the driver to pull over. 警察向司机打手势示意停车。
2. I caught a faint signal that they might be changing plans. 我隐隐约约地觉察到他们也许要改变计划了。
3. An anonymous letter can serve as a signal that informants feel frustrated. 一封匿名信是信息举报者泄愤的方式信号的一种提示 4. After following his landmarks, the balloon turned southward at signal altitudes. 在跟随地标飞行一段时间后，气球在信号高度向南转向。
5. The signal for the start of the race was given by a gun. 比赛开始的信号是由发令枪发出的。
6. The ship's captain signaled for all hands to come to general quarters. 船长打手势让全体船员进入戒备状态。
7. The teacher used a hand signal to indicate which students were to answer the question. 老师用手势示意哪些同学来回答问题。
8. The ship's captain signaled for the engines to be stopped. 船长打手势让船员停止发动机。
9. The doctor gave a signal to the nurse to start an IV drip. 医生向护士打手势示意开始静脉注射。
10. The police officer signaled for the driver to pull over and then approached the car with his gun drawn. 警察示意司机停车，然后手握着手枪走向汽车。
以上就是关于“signal”这个单词的一些用法和例句，希望可以帮助到您。
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