Dogs have a keen sense of smell.
狗的嗅觉很灵敏。
The hunting dog has evolved a keen sense of smell which allows it to detect the presence of its prey from a long distance.
在漫长进化过程中，猎狗形成了灵敏的嗅觉，使它在很远就能察觉猎物的存在。
They are ferocious predators with a true love of the hunt. They are extremely talented trackers with a keen sense of smell.
他们热爱狩猎，是残忍的捕食者，并极其善于利用他们敏锐的嗅觉追踪猎物。
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