单词	hollow space
释义	hollow space 空腔,空洞
随便看	apparent advance coefficient apparent adversity apparent age apparent altitude apparent amplitude apparent analysis apparent angle apparent angle of friction apparent angle of internal friction apparent anisotropy apparent annual motion apparent annual motion of the sun apparent anomaly apparent arc apparent area apparent area of friction plate apparent ascension apparent assimilation apparentation apparent attenuation apparent authority apparent availability apparent azimuth apparent azimuth angle apparent bearing 弦弦1 弦2 弦3 弦4 弦外之响弦外之意弦外之音弦外有音弦无虚发拥动拥堵拥塞拥干爱民拥彗拥戴拥护拥抱拥挤拥政爱民