pliocene pleistocene boundary上: upper; up; upward新: new; fresh; novel; up-to-dat ...世: lifetime; life边界: boundary; frontier; border; ...上新世: pleiocene; pliocene epoch; plioceneepoch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:上新世更新世边界，即可在微信中查询翻译
