[英][e?(r)][美][er]
n.繼承人; 後嗣，嗣子;
例句
1 By1916, Yeats was51 years old and determined to marry and produce an heir.
在1916年，葉芝51歲了，想結婚了，想要個孩子當繼承人了。
2 He was widely seen as Muammar Gaddafi's favorite son and his heir apparent.
賽義夫被廣泛認為是卡紮菲最喜愛的兒子，也是毫無爭議的接班人。
3 The burden of proof devolved upon the defendant.the estate devolved to an unlikely heir.
舉證責任被移交給被告；遺產被交給了壹個不可靠的繼承人。