They identified six plants as having potential for development into pharmaceutical drugs.他们验明6种植物有可能提炼出药物麻醉剂。an unholy alliance between the medical profession and the pharmaceutical industry医疗界与医药业的不当联盟We are engaged in ...
飞机编队飞行.The aircraft are flying in formation.这类操纵的例子包括编队飞行, 仪表飞行和着陆.Examples of this type of control include formation flying, instrument flight, and landing.在八架编队飞行的机群中,有三架被击落烧毁.Three out of a formation of eight were sho...