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- trochoidal wave
- cycloidal wave
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derisively,
derisory,
derivability,
derivable,
derivant,
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derivation,
derivational,
derivational morphology,
derivative,
相似单词
摆脱困境,
摆脱麻烦,
摆脱束缚,
摆脱约束,
摆线,
摆线波,
摆线齿轮,
摆线的,
摆样子,
摆钟,