氟气的任一次意外泄漏也都可能造成问题。氟气是一种有毒的腐蚀性气体，而且，在高浓度时，能阻碍植物生长并，损伤牙齿和骨骼。
Any accidental release of fluorine could also be an issue: fluorine is a toxic and corrosive gas and, at high concentrations, can retard plant growth and damage teeth and bones.
植物是有毒金属进入食物链的一种方式。
Plants offer a way for toxic metals to enter the food chain.
“设想找出关于一种植物已公布所知的一切：化学成分，是否有毒，在哪里可以找到。”来自丘园的阿兰·佩顿说，“要找出这些信息，需要了解其曾被使用过的所有科学名称。”
'Imagine trying to find everything that's ever been published about a plant: which chemicals are in it, whether it's poisonous or not, where is it found,' said Alan Paton, from Kew.
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