省电式battery: n. 1.炮兵连[营,中队];(军舰上的)炮组,炮列;炮 ...friendly: adj. (-lier; -liest) 1.友好的;朋 ...environment-friendly battery: 环保电池be friendly to: 对友好be friendly with: 对...友好下载手机词典可随时随地查词查翻译