信息素和 odorants （被检测为气味的化学物质）之间的区别可能是模糊的，一些研究人员将信息素归类为一种 odorant。
The distinction between pheromones and odorants—chemicals that are consciously detected as odors—can be blurry, and some researchers classify pheromones as a type of odorant.
摄像头被放置在机器人体内，可以在黑暗中工作，它还可以充当探测器，发现被困人员和检测有害气体。
The camera, also acting as a detector that finds trapped people and detects harmful gases, is placed in the robot, which can work in the dark.
据英国工程师网站theengineer.com近日报道，美国中佛罗里达大学的科学家日前研制出一种新技术，可使地震救援人员能够检测出那些可能被霍乱毒素污染的水源。
A new technique developed by University of Central Florida (UCF) scientists could allow earthquake-relief workers to test water sources that could be contaminated with the cholera toxin.
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