oxygen diveoxygen diving氧气: oxygen; oxygen gas潜水: go under water; dive闭气潜水: free diving充气潜水服: atmospheric diving suits氦气潜水法: helium diving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:氧气潜水,即可在微信中查询翻译