一种圆形的灯具，里面点蜡烛，现多用电灯做光源

Low carbon

don, guide of a great cause, hierophant, teacher, tutor, imam, supervisor, leader in a cause, preceptor, professor, preceptorship, adviser, teacher in charge of class, mentor, counselor

adj. 真正的，标准的 real, pure, up to standard

immediately, at once, at that moment, at the moment

tract, area, latitude, quarter, territory, climate, region, scope, district, terrain, climactic