引进种

外来种

introduction agencies───介绍机构

protected species───受保护的物种

endangered species───濒临绝种的动植物

interspecies───n.种间

intraspecies───adj.种内的

introduce a policy───介绍政策

introduce a regime───引进政权

Introduced species can often undergo a population boom just after introduction.───被引进的物种在刚被引入之后往往会发生数量暴增。

Our goal for the day is to continue the control of introduced species such as rats, mice and stoats who are preying on birds.───我们今天的目标是继续对引入的、以鸟类维生的生物例如各种老鼠、鼬的控制。

It is only here where you can find areas still free from introduced species, as in the seas around Antarctica.───只有在这儿，你才能发现还有像南极洲周围的海域那样的尚没有引进物种的海域。

As well as conserving local tree species, the botanical garden also contains introduced species which are being grown experimentally.───除了保存本地树种外，园区也引进外来种试植。

Native garden seed plants constitute main part of Kunming garden seed plants and the introduced species occupy partial proportion.───区系成分中以国产植物为主，引进种占有一定比例。

However, the team warned that the volume of introduced species had increased markedly as the 1900s advanced.───然而，研究小组提醒引进的物种数量在19世纪末就已有显著增长。

But most introduced species slipped in quietly.───但是大部分都是悄无声息溜进来的。

Like many introduced species, American mink can slash their way through the ecosystem, as they have no native predators, and their prey species haven't evolved to avoid them.

Introduced species can often undergo a population boom just after introduction.