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1·Surprisingly few extinctions of indigenous species can be attributed to competition from introduced species.

令人惊讶的是，本土物种的灭绝很少归因于外来物种的竞争。

2·They say that portraying introduced species as inherently bad is an unscientific approach.

他们说把外来物种描绘成天生的坏物种是一种不科学的做法。

3·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。

4·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。

5·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。

6·Various conservation measures have transformed the formerly bare hillsides and slopes into areas with plants of local and introduced species.

本港在采取各项自然护理措施后，以往是不毛之地的山坡，现已种植了本地及外来植物。

7·As the world's only flightless parrot, the kakapo is a truly unique bird which is threatened by introduced species in its native home of New Zealand.

鸮鹉是世界上唯一不会飞的鹦鹉，也是唯一一种受新西兰本土引入物种威胁的鸟类。

8·Discovered by outsiders in 1979, the crested iguana's Numbers are rapidly dwindling due to the brisk spread of introduced species, such as feral cats and black rats.

冠鬣蜥自1979年被来自岛外的人们发现以来，由于随之引入的例如野猫和黑鼠等外来物种的迅速蔓延，他们的数量正在急剧缩减。

9·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.

就如许多引进的物种一样，美国貂也能通过生态系统杀出一片生机，因为它们没有本土的天敌，而它们所掠食的物种还没有进化到可以躲避它们的掠食。

10·Indeed, work with some other species suggests they too can refine their quantitative thought if they are introduced to the cognitive power tools we call numbers.

事实上，对其他一些物种的研究表明，如果引入我们称之为数字的认知工具，它们也可以完善自己的定量思维。