英语词汇“观测日”的翻译、意思、用法、释义-英汉汉英词典

单词	观测日
释义	观测日observational day
随便看	screw rotation screw round screw rudder screw rule screw runner screws screw shackle screw shaft screw shaft; stern shaft; tail shaft screw shell screw ship screw ship unloader screw slotting cutter screw socket screw-socket screw softening machine screw spanner screw spike screw spindle screw spindle type turning gear screw-spiral intestine screw stage screw stay screw stay bolt screw steamer