如他们本周在于华盛顿举行的美国化学学会会议上介绍的那样，他们已开始分析尸体的气味，目标是机器能自动操作侦测过程。
As they outlined to this week's meeting of the American Chemical Society, in Washington, DC, they have been analysing the smell of corpses, with a view to automating the process of detecting them.
过去关于驱虫剂的作用原理的理论是DEET阻断了昆虫侦测到人体散发的乳酸气味的能力，而乳酸对蚊子来说就像磁铁一样有吸引力。
The old theory of how insect repellents work was that DEET blocks the insect's ability to detect lactic acid from people, which acts as a mosquito magnet.
莎莎和德仔现时能够侦测到一般用于纵火的汽油、火水、油渣、松节油，白电油及天拿水等6种残馀蒸发气味。
Both Sasha and Dexter are now able to detect 6 kinds of the residue vapour of petrol, kerosene, diesel, turpentine, white spirit and thinner which are commonly used as accelerant in deliberate fires.
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