释义
determine the position of (something) by visual or radio bearings or astronomical observation
（以目测、无线电或天文观测方式来）确定…的方位。
〈非正式〉评估（或确定）…的本质（或真相）；清楚地认识
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it is hard to get a fix on their ages .很难确定他们的年龄。