单词	sealed sheath
释义	sealed sheath 密封套筒
随便看	visual diam-eter visual diaries visual diary visual difference Visual diff tools are indispensable visual digital display visual direction visual directional preponderance visual direction finder visual direction finding visual directions visual directive line visual disability visual disaster visual discrimination test visual discriminatiry acuity visual discriminatory acuity visual discriminatory potential visual disorder visual-disorder college English education visual disorders visual disorientation Visual disorientation syndrome visual disorientation syndrome I Visual Disorientation Syndromes