The two species resemble each other. 两个物种很相像。

closely/faintly/strongly/vaguely resemble Soldiers are trained under conditions that closely resemble real combat. 士兵们在与实战极为相似的条件下接受训练。

The animals make a strange sound, vaguely resembling the bark of a dog. 这些动物会发出很奇怪的声响，与狗叫声略微有点相似。