chieflyfirst and lastin chieflargelymainlyprimarilyprimaryprincipally主要: main; chief; principal; majo ...地: the earth大部分,主要地: largely大量地;主要地: largely大体上,主要地: mainly下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:主要地,即可在微信中查询翻译