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1·Across the American continents, exotic species are those introduced after the first European contact.

在美洲大陆上，外来物种是在第一次接触欧洲后引进的。

2·Both native and exotic species can become invasive, and so they all have to be monitored and controlled when they begin to get out of hand.

本土物种和外来物种都有可能成为入侵物种，因此当它们开始失控时，我们必须对它们进行监视和控制。

3·According to the facts that we know, (1) D. simulans is an exotic species;

根据了解到的事实，（1）拟果蝇在中国是一个外来种；

4·The exotic species has caused problems for the shrimping industry in other parts of the world.

这些外来物种给世界其他地方的虾业带来困扰。

5·When importing a lot of exotic species, we should not forget to conserve local breed resources.

在大量引进外种的情况下，应当不忘记把地方的品种资源保存好。

6·Two forest specialists showed significant increase in densities, one is native and the other is exotic species.

两种树林种类的密度有显著増加，其中一种是本土种，另一种是外来种。

7·For many in the West, diseases are a bit like birds: everyone gets them but poor countries have more exotic species.

在西方国家，疾病有点像禽流感——每个人都会患上它们；而在贫穷国家，疾病具有更多的外来因素。

8·But thinking of my husband as an exotic species gave me the distance I needed to consider our differences more objectively.

但是，将丈夫作为外来物种给了我空间，我需要这种空间来客观地考虑我们之间的差异。

9·There is a beautiful open garden surrounded by butterflies and other exotic species that you can view by just walking around.

在小镇闲逛的时候，你可以看到这里飞满蝴蝶和其他外来物种的美丽花园。

10·Other Exotic species have been introduced for landscape restoration, biological pest control, sport, pets, and food processing.

其他外来生物是为了恢复环境、害虫生物防治、体育、宠物、食物加工等目的而引进的。