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noun

Definitions:

(1) Bottom; background; base

Example sentences:
1. 这是底吗? Zhè shì dǐ ma? Is this the bottom?
2. 他一直在最底层 Tā yīzhí zài zuì dǐ céng. He's been at the bottom level all the time.
3. 我们需要把底部的东西拿出来 Wǒmen xūyào bǎ dǐbù de dōngxī ná chūlai. We need to take out the things at the bottom.
HSK Level:

4