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我可以用測量法求得某物的體積.I can find the size of something by means of measurement.知道了某物的距離才能判斷其高度。You can only judge how high something is when you know how far away it is.扣除,扣留出于衡平的原因而減去或扣留 ( 到期某物的一部分 )To deduct or withhold ( par...