短语词组短语thermal dilation 热膨胀;热＜形变＞膨胀skin dilation 皮肤扩张术;外扩张volume dilation 体积膨胀Gasbag dilation 气囊扩张术tonogenic dilation 紧张源性扩张melting dilation 熔化膨胀;翻译Vertical Dilation 竖直扩张time dilation 时间膨胀pupil dilation 瞳孔扩张；瞳孔放大 返回 dilation