北京人遗址英文介绍 Peking Man was discovered in Zhoukoudian village, on the Longgu Mountain, Fangshan district, Beijing, which was listed as a world cultural heritage site in 1987. In the 1920s arc... /
2010-06-08 / 查看
9 次
IT克台球用什么球角逐?Snooker A standard set of balls for the snooker table consists of 15 reds, 6 colours and 1 white / cue ball. Historically, snooker balls were made exclusively from heavy ivory... /
2010-06-08 / 查看
4 次