防治的方法包括毒杀和熏蒸。Methods of control involved poisoning and fumigation.用熏蒸的方法给房间消毒to fumigate a room作为预防措施, 要用内吸杀虫剂对植物定期喷洒,或熏蒸.As preventive, spray plants with systemic insecticide or fumigate them regularly....
我们需要的不是善意但难以实现的宣言,而是实际行动。What we need is not manifestos of pious intentions, but real action.高速公路的实际覆盖面积还不到农村地区的0.1%。Motorways actually cover less than 0.1 percent of the countryside.这两种手法实际运用起来哪个好一些?How do the two techn...