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“步測”的拼音為：bù cè...

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我在地面上作了標(biāo)記，然后為了確保起見步測了一下。I marked the ground and then paced it out to be sure.我估計這大廳有80米長; 我來步測一下.I think the hall is 80 metres long; I'll pace it.先步測20英尺,再在地上做出標(biāo)記.Step off twenty feet and then place a marker in the ...