单词	black tortoise
释义	black tortoise 玄武
随便看	duplex Shreiner calender duplex signaling duplex signalling duplex simultaneous two-way duplex simultaneous two way operation duplex simultaneous two-way operation duplex single-acting duplex slide rule duplex slip Duplex S-N curve duplex soft-filled sheeting Duplex sonography duplex sound track duplex-spiral duplex spiral classifier duplex-spiral classifier duplex spiral with brass ring duplex-spiral with brass-ring duplex spiral without brass ring duplex-spiral without brass-ring duplex spot weld duplex spot welder duplex spot welding duplex spread blade duplex spreadblade cutting method