Are you majoring in English Literature?你是在专修英国文学 吗 ?I'm majoring in business administration in college.在大学里我专攻商业管理.I intend to major [ majoring ] in economics in college.我想在大学 主修 经济学....
研制了用于38%莠去津悬浮剂的新型分散剂 ( WPJ-A ) .A new dispersing agent ( WPJ - A ) for 38 % atrazine suspension concentrates was developed.植物油悬浮剂是一种环保型农药剂型.Vegetable oil flowable concentrale is an environmental protection formulation.介绍...