有些品种的金枪鱼的舌头上有专门的凹槽。
Some species of tuna have specialized grooves in their tongue.
每只狗或猫咪都有自己的需求，其中有些品种有特定的需求。
Every dog or cat has its own needs, some of which are specific to the breed.
蝙蝠跟吸血鬼很像。它们都在夜间活动，有些品种会吸血，而且它们有着灵敏的听觉和嗅觉。
Bats are much like vampires. They are nocturnal, some species drink blood, and they have an acute sense of hearing and smell.
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