Some insects, after their heads are severed, may live for as long as a year. They react automatically to light, temperature, humidity, chemicals, and other stimuli.
有些昆虫在头被切下后还能活一年，并会对光线、温度、湿度、化学品和其他刺激自动产生反应。
When threat is perceived, the RAS automatically selects related sensory input and directs it to the lower brain where the involuntary response is not to think, but to react-fight, flight, or freeze.
当威胁被感知到以后，RAS自动选择相关的感觉输入，并将其送进较低的脑(也叫“爬虫的脑”)，那里的非自愿响应不是去思考，而是作出反应-战斗，逃跑，或僵硬地呆立不动。
Intelligent light-sensing technology automatically adjusts LCD screen and keyboard backlighting to react to ambient light levels.
智能光传感技术，自动调整键盘背光和液晶显示屏周围反应轻水平。
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