- 未成熟: immaturate
- 的: 4次方是 The fourth power of 2 i ...
- 土: soil; earth
- 未成熟的: green; immaturate; immature; inadequate; infant; jackleg; premature; puerile; rash; rudimentary; unbaked; underripe; unfledged; unripe; unskilled; vealy; young
- 基础的；未成熟的: elementary (l02)
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