夹心大便
born的原型bear和died的原型die都是非延续性动词。for加一段时间前多为现在完成时。eg：I have been teaching here for three years.他已经死了四年了：He has been dead for 4 years.
大饼茄夹
机器人,especiallyonewhorespondsautomaticallytothecommandsofothers.（名词）Amechanicaldevicethatsometimesresemblesahumanbeingandiscapableofperformingavarietyofoftencomplexhumantasksoncommandorbybeingprogrammedinadvance，机械人robotro.机械呆板的人：一种能自动操作或通过遥控方式运行的机器或装置Apersonwhoworksmechanicallywithoutoriginalthought：一种类似人的能够按照指令或事先编好的程序做各种复杂人类工作的机械装置Amachineordevicethatoperatesautomaticallyorbyremotecontrol，遥控机械.自动机.botn
