A megaphone boomed out, "This is the police."扩音器响了起来：“我们是警察。”He hawks with a megaphone, saving a lot of effort.他用喇叭筒叫卖, 省劲多了!Somewhere a voice is loud a megaphone.远处什么地方的扩音器里传来响亮的声音....
electric megaphone喊话器Somewhere a voice is loud a megaphone.远处什么地方的扩音器里传来响亮的声音.A megaphone boomed out, "This is the police."扩音器响了起来：“我们是警察。”transistor megaphone晶体管扩音器He hawks with a megaphone, saving a lot of effort.他用喇叭筒...
他是位实行者, 不是空谈者.He's a doer, not a talker.先有行为; 诗人是人生的实行者.Life comes first; the poet is the executor of life.凯恩斯学派和新政实行者们逐渐退场.Keynesians and New Dealers seem to be in a slow retreat....
方法: 采取凝胶过滤方法分别提纯上述花粉变应原.METHODS: The pollen allergens were purified by gelatin filtration.目的从樟树花粉中克隆泛变应原基因.Objective To clone new panallergen genes from pollen Cinnamomum camphora.观察125例变态反应性鼻炎变应原鼻内激发试验前后鼻阻力变化.Allergen n...
劳驾你服从我要给出的指令好不好？Will you kindly obey the instructions I am about to give?劳驾，买单。Can we have the bill please?劳驾你帮我做这件事好 吗 ?Would you be kind enough to do it for me?...