Cogs

• The quadrant, B, has cogs cut, between which Z slides and stops the motion of A, which is moved, as before, by clockwork. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• The cogs began slowly to rise. 戴维·赫伯特·劳伦斯. 恋爱中的女人.

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