你说我是你的氧气
[nĭ shuō wŏ shì nĭ de yăng qì]
Translating directly, it says 'You say I'm your oxygen,' conveying an importance, as vital to their existence as the air they breathe. This might symbolize an essential part of one’s identity, possibly romantic partner or very close friend, indicating deep affection and reliance upon another.