单词	space hygiene
释义	space hygiene 太空卫生学
随便看	birth process birthquake birth rank birth rate birthrate birth-rate birth rate, birthrate birth rate by ages birthrate fluctuation birth-rates birth rates birthrates birth rate simultaneous equation model birth ratio birth registratio area birth registration birth-related birth report birthright birth-right birth right birthrights birth-rights birthroot birthroots 物伤其类，唇亡齿寒物候物候催行客，归途淑气新，剡川今已远，魂梦暗相亲。物出乡贵，人出乡贱物到他人手，只等他人有物到极时终必变物华天宝，人杰地灵物卖当时物各从其类物各有主鎖骨鎗鎚鎧鎧戸鎧板鎧袖一触鎬鎬を削る鎮