它能在野外辨别170多种气味。这种能力对闻花蜜、花粉、水、树脂和信息素的至关重要。
Its ability to distinguish more than 170 odours in the wild is vital for smelling nectar, pollen, water, tree resin and pheromones.
证据就存在于海洋泥土，花粉化石和记录温度变化的化学同位素比值变化之中。
The evidence lies in ocean mud, in fossil pollen, and in changes in ratio of chemical isotopes that record shifts in temperature.
你经常会见到用抗组织胺素剂来治疗花粉病，并且持续用药直到冬天积雪覆盖在地上。
Often you see anti-histamines, which have a high burden, for hay fever and they are continued in the depths of winter when there is snow on the ground.
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