我无语了············································································
change_form()
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原单词 apple
"appleing"
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Done
名词加ing······
居然还有其他类型的:
原单词 apple
"applely"
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原单词 apple
"appleer"
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原单词 apple
"to apple"
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原单词 apple
"were appleing"(过去时=_=)
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原单词 apple
"disapple"
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原单词 apple
"appletion"
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原单词 apple
"appleed" 等等等等····················