volatile user不稳定: instability; unstabitily; sw ...用户: user; subscriber; consumer; ...固定用户: fs fixed subscriber指定用户: this user不稳定: instability; unstabitily; swinging; astable; unsteadiness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:不稳定用户,即可在微信中查询翻译