a circular argument or theory does not mean anything because it consists of a series of causes and effects that lead you back to the original cause (论证或理论)循环的,兜圈子的
VERBS | ADVERBVERBS➤be, look呈圓形;看上去是圓的◇The house looks almost circular.這房子看起來幾乎是圓的。ADVERB➤perfectly非常圓◇He had round unblinking eyes and a perfectly circular head.他的眼睛圓溜溜的,一眨不眨,腦袋也圓圓的。➤almost, nearly, roughly幾乎是/差不多是/大致是圓的◇The crater was two miles across and roughly circular.這個火山口有 2 英里寬,大致呈圓形。