| 例句 |
Crude oil can be refined into various petroleum products.原油可炼制成各种石油产品。When spilled into the sea, oil can be toxic to marine plants and animals.石油溢入海洋可能危害海生动植物。Fats and oils can be used in moderation.可以适量使用脂油。Essential oils can be bought from most good health food stores.在大多较好的保健食品店都能买到精油。Patchouli has the smell of mint, and its essential oil can serve as an insect repellent.广藿香有薄荷的味道，它的精油可作为防虫剂。 |