| 二氧化碳 🇨🇳 | 🇬🇧 Carbon dioxide | ⏯ |
| 二氧化碳 🇨🇳 | ar ثاني أكسيد الكربون | ⏯ |
| 二氧化碳 🇨🇳 | ug كاربون تۆت ئوكسىد | ⏯ |
| 二氧化碳转化为氧气 🇨🇳 | 🇬🇧 Carbon dioxide is converted into oxygen | ⏯ |
| 二氧化碳保护焊 🇨🇳 | 🇰🇷 CO2 보호 용접 | ⏯ |
| 二氧化碳的排放 🇨🇳 | 🇬🇧 Carbon dioxide emissions | ⏯ |
| 树能吸收二氧化碳 🇨🇳 | 🇬🇧 Trees can absorb carbon dioxide | ⏯ |
| 孰能吸收二氧化碳，制造氧气 🇨🇳 | 🇬🇧 It absorbs carbon dioxide and produces oxygen | ⏯ |
| 二氧化硫 🇨🇳 | 🇬🇧 Sulfur dioxide | ⏯ |
| 二氧化钛 🇨🇳 | 🇬🇧 Titanium dioxide | ⏯ |
| 二氧化碳气体明天不够用 🇨🇳 | 🇯🇵 二酸化炭素ガスは明日は不十分です | ⏯ |
| 二氧化碳气体明天不够用 🇨🇳 | 🇬🇧 Carbon dioxide gas wont be enough tomorrow | ⏯ |
| 五氧化二钒 🇨🇳 | 🇬🇧 Pentium pentoxide | ⏯ |
| 三氧化二铁 🇨🇳 | 🇯🇵 三酸化鉄 | ⏯ |
| 二氧化碳两瓶，你问他有没有 🇨🇳 | 🇬🇧 two bottles of carbon dioxide, did you ask him if there was | ⏯ |
| 你今天叫他把二氧化碳送过来 🇨🇳 | 🇬🇧 You asked him to send the carbon dioxide here today | ⏯ |
| 其次，我们应该多植树造林，从而增加氧二氧化碳转化成氧气的含量 🇨🇳 | 🇬🇧 Second, we should plant more trees to increase the amount of carbon dioxide into oxygen | ⏯ |
| 氧化硫 🇨🇳 | 🇬🇧 Sulfur oxide | ⏯ |
| 激光 🇨🇳 | 🇮🇹 Laser | ⏯ |