词汇	保持警惕
释义	保持警惕 maintain vigilance
随便看	Companies' Registrar Companies Registry companies research companies resolution companies that do animal testing companies that do animal testing? companies to contract for engineering projects companies with bad environmental policies companies with limited liability companile companing companing operate companion companionabilities companion cropping companion crops companion delivery companion discharge flange companion drift companioned Companion Education companion effect Companion Encyclopaedia of Hindu Philosophy companioness companionesses