什么是 repellent?Serving or tending to repel.Able to repel.Inspiring aversion or distaste; repulsive. See Synonyms at hateful, offensive.Resistant or impervious to a substance. Often used in combination: a water-repellent fabric. One that repels.A substance used to repel insects.A substance or treatment for making a fabric or surface impervious or resistant to something else.