词汇	染上瘟疫
释义	染上瘟疫 catch the plague瘟疫
随便看	single-track running singletracks single-tracks Single track seek single-track speed limit single-track system single-track tape unit single track territory single track theory single-track theory single track tunnel single-track tunnel single track type pulley weight exerciser single track type pulley-weight exerciser single track vehicle single-track vehicle single traction single traction rod single trailing arm type single-trailing-arm-type suspension single train checking work single training sample single trait single traits single trait selection