CE (Common Era); Christian Era; AD (Anno Domini)
public; collectively owned; common; international (e.g. high seas, metric system, calendar); make public; fair; just; Duke, highest of five orders of nobility 位; honorable (gentlemen); father-in-law; male (animal)
surname Yuan; the Yuan or Mongol dynasty (1279-1368)
公元前的历史很久远。
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