1991年龙夫威（右）等中美学者寻访平遥超山书院遗址。五台东冶镇永安村北的徐继畬之墓。
Chinese and American scholars view the site of the Chaoshan Academy at Pingyao in 1991 (Prof. Fred Drake on right). Xu Jiyu's tomb in Yong'an, Wutai.
他在1992年的影片《超级战警》中扮演了一个与西尔维斯特·史泰龙敌对的反面主角。
He also played a villain opposite Sylvester Stallone in Demolition Man (1992).
57英尺长，9吨重，棘龙在大约1亿年前的白垩纪早期就开始四处活动。
Fifty-seven feet long and up to nine tons, spinosaurus started poking his head around the early Cretaceous some 100 million years ago.
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