The pools then make ideal habitat for tadpoles, which drop into the water when they hatch.
这些水池就成了在孵化过程中掉进了水里的蝌蚪的理想栖息地。
Please pay attention to your children, don't move casually or quarrel on the boat so as not to drop into the water.
乘船时请看管好自己的孩子,不要到甲板上随意走动、打闹嬉戏,以免掉入水中。
So he went and began to fell a tree at the edge of the river, and presently contrived to let his axe drop into the water.
于是,他去河畔砍树,并故意将自己的斧子丢入河水中。
Because it's a gel electricity is going to move through the gel because there are ions in it the same way - for the same reason you don't drop an electrical device into the bathtub because charge moves through water that has ions in it.
由于凝胶中存在离子,电流会通过凝胶,同样--,因为同样的原因你不会把电器扔进浴缸里,因为水里也有离子,所以水可以导电
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