今天我们要学的词是long-standing。Long-standin, 形容词，意思是长期存在的。 "Former South African president Nelson Mandela has been released from the hospital after a surgical procedure for a long-standing abdominal condition," 南非前总统曼德拉由于长期腹痛接受手术后出院。在英国城市普利茅斯, "With over 66% of the adult population overweight, obesity continues to be a long-standing health issue for Plymouth," 普利茅斯66%的成年人口超重，肥胖问题是这个城市长期面临的健康问题。好的，今天我们学习的词是long-standing...