portable oxygen bag携带: carry; carry-over; bring; ta ...氧: oxygen袋: bag; sack; pocket; pouch带氧酶: oxyphorase携带: carry; carry-over; bring; take along 携带方便 be easy to carry about; 随身携带的物品 things carried on one's person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:携带氧袋，即可在微信中查询翻译
