重点词汇
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蒸汽
steam; vapor; reek; vapour
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动力的
dynamic; kinetic; kinesic; dynamical
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机器
machine; machinery; hardware; maker; gear; mechanical
steam-powered machinery
蒸汽
steam; vapor; reek; vapour
动力的
dynamic; kinetic; kinesic; dynamical
机器
machine; machinery; hardware; maker; gear; mechanical