重点词汇
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快门
shutter
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速度
speed; velocity; rate; tempo; pace; time; gear; zip; clip
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调节
adjust; regulate; tune; modulate; mediate; adjustment; regulation; modulation
shutter speed ring
快门
shutter
速度
speed; velocity; rate; tempo; pace; time; gear; zip; clip
调节
adjust; regulate; tune; modulate; mediate; adjustment; regulation; modulation