外來 Exotic
外來種是非原生物種，是經由人為無意或有意引進的物種。會破壞生態平衡及造成人類經濟損失的外來種亦稱為「入侵種」。
Exotic species are non-native species that are introduced by human activity, either deliberately or accidentally. Exotic species that have negative impacts on a local ecosystem and economy are also known as ''invasive species''.
