圓形物的用法和樣例：
例句
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圓形物體圓形物體；圓圈或環(huán)形軌道
Something of circular form; a circle or an orbit. -
“圓”這個(gè)字如果單就其本身而言，而不與任何圓形物體相聯(lián)想時(shí)，它是一個(gè)抽象名字。
Roundness is an abstract term, so long as one considers it by itself and separates if from any subject that is round.
