There are hundreds of people in the hall. 大厅里有数以百计的人。Thousands and thousands of people come to visit the Museum of QinTerra-Cotta Warriors and Horses every day. 每天有成千上万的人来参观秦兵马俑博物馆。
twenty , thirty , ninety 等以﹣ ty 结尾的基数词变为序数词,是将词尾的字母-y改为﹣ i ,再加-th。th 四加起,八减 t ,九去 e ,“ ve ”要由-f替,five , twelve 是两兄弟。