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1·The tiger is a solitary animal;

老虎是一只孤独的动物；

2·Of course, the reverse is also true. If an animal is in overcrowded conditions or a truly solitary animal is kept in a group, they may be stressed and suffer as a result.

当然，如果动物生活在过于拥挤的群体或喜欢独居的动物被安置在群体里，它们所承受的压力和痛苦是很真实和鲜明的。

3·A solitary and nocturnal animal, it is not often seen in the wild.

这是一种夜行独居动物，在野外甚少看到。

4·There were two excellent high profile films (Toy Story 3, Inception) and a handful of great little-seen ones (Animal Kingdom, Cyrus, Solitary Man, etc.).

《玩具总动员3》和《盗梦空间》是两部高姿态的优秀大片，《动物王国》，《塞勒斯》和《孤独的人》等影片则属于比较少见的一类。

5·In Switzerland, it has been illegal to own one solitary goldfish since 2008, when the country introduced a whole host of animal rights' legislation.

2008年，瑞士出台了大量有关动物权利的法规。 从此，在瑞士单独养一条金鱼就是违法。