| 例句 |
Confine the use of insecticides to the evening and do not spray plants that are in flower.只在晚间使用杀虫剂，而且不要对正在开花的植物喷药。He doesn't spray against pests or diseases.他喷药并不是为了防治病虫害。Because of the immunity of the immature insects, it's important to spray regularly.由于幼虫对药物有免疫力，因此必须经常喷药。When spraying weeds, it is a good idea to mix in a marker dye with the herbicide.给杂草喷药时，将做标记的染色剂与除草剂混合是个好主意。The crops are sprayed monthly.这些庄稼每月喷药一次。 |