词汇	纽音
释义	纽音 niǔyīn〔lg.〕contraction；elision
随便看	visibility threshold visibility variable visibility variation visibility very good visibilityvis Visibility was down to 100 metres in the fog Visibility was perfect visibilize visibillty meter visibillty range visible visible abrasion visible absorption analyzer visible absorption band visible absorption measurement visible absorption spectrometry visible absorption spectrophotometry visible absorption spectrum visible aid to navigation visible air whistle visible alarm visible albedo visible and audible alarm visible and infrared radiometer Visible and infrared spectral region