英语词汇“gratuitous service”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	gratuitous service
释义	gratuitous service 基本例句免费服务 You can get service free of charge.你可得到免费服务。 I called the toll-free service number but no one answered.我打了免费服务电话，但是没有人接。
随便看	infrared detect system infrared detect technology infrared deteetor infrared deuteration infrared deuterrium oxide infrared device infrared diagnosis infrared diagnostics infrared diagnostic technology infrared diagnstie infrared diathermy infrared dichroic filter infrared dichroism infra red dichroism infrared difference spectroscopy infrared diffuse reflectance spectrum analysis infrared diffusion infrared digital data infrared digital image infrared digital tachometer infrared dim and small target Infrared dim small target Infrared dim small targets infrared dim target infrared dim targets