单词	a little bird told me
释义	请查阅词条：bird
随便看	be unused be unwilling be unwilling to be (up) against be up and about be up and doing be upbraided be upfront be up in be up in arms be uplifted be uplifted be up on be uppermost in someone's mind be upright be upset be upset by be upset/disappointed about be up shit creek be up shit creek (without a paddle) be up shit creek without a paddle be up shit creek (without a paddle) be upstanding be up the creek be up the creek 劳动布劳动强度劳动手段劳动改造劳动教养劳动日劳动模范劳动法劳动生产率劳动者 Scrollbar Scrum SCSI(Small_Computer_System_Interface) Scylla SDAX SDRAM SD-RAM S&D(Special_and_Differential_Treatment) Seagate Sealed_beam_Scheinwerfer