1、 In Singapore, every car is fitted with a digital transponder that triggers automatic tollbooths as it passes.
在新加坡，每辆轿车上都装有一台在通过时自动触发过路收费亭的数字式异频雷达收发机。
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2、 It's the amount of daylight that triggers the changing of the hare's coat.
正是日光照射的量引起了兔子皮毛的变化。
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