barrier flat障: block; hinder; obstruct壁: wall沙坪: sand flat障壁沙坝: barrier bar-lagoon system障壁沙洲: barrier bar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:障壁沙坪,即可在微信中查询翻译