基本解释adj.不能喝的同根派生 英汉例句用作形容词 (adj.)The milk has already become undrinkable.牛奶已经不能喝了。Some 70 percent of the earth's surface is water, but most of that is undrinkable seawater.的地球表面是水，但是它大部分是不能喝的海水。