Dioxygen
二氧, 分子氧
🗣️ 情景例句
Did you forget something?
你是否忘了什么东西吗？
Can I go now?
可以走了吗？
When you compare the prices,you must take everything into consideration.
当你在考虑对比价格时，首先必须把一切都要考虑进去。