The acacia and its ant army are a textbook example of mutualism between species.
洋槐树和它的蚂蚁亲卫队是物种之间互利共生关系的经典范例。
For example, take the army ant, of which around 130 species have been identified in the Americas alone.
用军蚁来作个例子,光光在美国,已被确认了的军蚁种类就有约莫130种。
应该用一只行军蚁。
Any of various dull-colored south american birds that feeding on ants some following army ant swarms.
南美洲各种以蚂蚁为食的深色鸟类,有一些跟着蚂蚁群。
Any of various dull-colored south american birds that feeding on ants some following army ant swarms.
南美洲各种以蚂蚁为食的深色鸟类,有一些跟着蚂蚁群。
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