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welwitschia的英文翻译是什么意思，词典释义与在线翻译：
英英释义
Noun:
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curious plant of arid regions of southwestern Africa having a yard-high and yard-wide trunk like a turnip with a deep taproot and two large persistent woody straplike leaves growing from the base; living relic of a flora long disappeared; some may be 700-5000 years old
