broadening factor加宽: broaden; widen固: firm; hard; solid子: son加宽: broaden; widen 加宽路面 widen the road; 他们把这条马路加宽了不少。 they have broadened out the avenue considerably光固子: optical soliton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:加宽固子,即可在微信中查询翻译