| 二氧化碳 🇨🇳 | 🇬🇧 Carbon dioxide | ⏯ |
| 二氧化碳转化为氧气 🇨🇳 | 🇬🇧 Carbon dioxide is converted into oxygen | ⏯ |
| 二氧化碳激光 🇨🇳 | 🇬🇧 CO2 laser | ⏯ |
| 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 🇨🇳 | 🇬🇧 Carbon dioxide gas wont be enough tomorrow | ⏯ |
| 五氧化二钒 🇨🇳 | 🇬🇧 Pentium pentoxide | ⏯ |
| 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 | ⏯ |
| 保护传统文化 🇨🇳 | 🇬🇧 Protecting traditional culture | ⏯ |
| 正是由于燃烧化石燃料导致了二氧化碳的增加 🇨🇳 | 🇬🇧 Its because the burning of fossil fuels is causing the increase in carbon dioxide | ⏯ |
| 其实我们应该多植树造林，从而加快二氧化碳像氧气的转化速度 🇨🇳 | 🇬🇧 In fact, we should plant more trees, so as to speed up the conversion of carbon dioxide like oxygen | ⏯ |
| 其次，我们应该多植树造林，从而加快二氧化碳像氧气的转化速度 🇨🇳 | 🇬🇧 Second, we should plant more trees to speed up the conversion of carbon dioxide like oxygen | ⏯ |
| 其次，我们应该多植树造林，从而加快二氧化碳转化为氧气的速度 🇨🇳 | 🇬🇧 Second, we should plant more trees to speed up the conversion of carbon dioxide into oxygen | ⏯ |
| 一氧化硫 🇨🇳 | 🇬🇧 Sulfur oxide | ⏯ |