to read to the students--their own children, really.
共同为学生们, 其实就是他们自己的孩子, 朗读
Please call me before you come.
你来之前请打电话。
And why only snakes? Cats, for instance, would be greatly helped; no running fights with large, fierce rats or tussles with grown rabbits -- just a bite and no more effort needed.