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n.卫生球，樟脑球vt.封存adj.后备的...
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mothball的现在完成时为：mothballed...
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mothball的现在进行时为：mothballing...
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mothball的一般过去时为：mothballed...
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mothball的第三人称单数（三单）为：mothballs...
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Our country population is numerous, per capita has farmland amount low, and mothball resource lack.我国人口众多, 人均占有耕地数量低, 且后备资源缺乏....
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mothball的音标：mothball的英式发音音标为：['mɒθbɔ:l]mothball的美式发音音标为：['mɔθbɔl]...