estuarine co ervation areasestuarine conservation areas河口: the mouth of a river; estuar ...保护区: protection zone保护区: protection zone 东北虎保护区 manchurian tigers zone 插口保护: socket protection洞口保护: opening protection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:河口保护区，即可在微信中查询翻译
