appearancesn.出现；外表；表面迹象名词appearance的复数形式.appearancen.出现；露面；外貌；外表；出场Appearance of selected visual aids.选择的视觉帮助的外观。appearance characteristic of plantation林相特征appearance and environmental sanitation市容环卫Appearances are very often deceptive.外表往往是靠不住的。appearance and disappearance of argument论元隐现Appearance Slight yellow transparent liquid外观淡黄透明液体