词汇	天体年代学
释义	天体年代学医astrochronology
随便看	Lack of sun retards plant growth Lack of sun.retards plant growth lack of supervise lack of supervision lack of supplies Lack of support Lack of symmetry lack of system lack of systems Lack of talent or ability lack of talents lack of teachers lack of teaching resource Lack of the Chinese characters Lack of the knowledge gained from experience lack of thought lack of time Lack of time limited the scope of the course lack of title lack of tolerance lack of tong lack of tooth Lack of Transitional Fossils lack of true colour rendering lack of trust