a. causing or capable of causing harm
a. 有害的, 伤害的
1. Smoking is harmful to your health.
吸烟对你的健康有害。
2. Some chemicals in cleaning products can be harmful to the environment.
一些清洁产品中的化学物质可能对环境有害。
3. It is harmful to eat too much junk food.
吃太多垃圾食品是有害的。