scientists didn't disspoint us and delivered China's first lunar exploration satellite lunarprobe Chang' former . Vice President Al Gore, who was awarded the Nobel Prize-winning
detain [di'tein]vt.耽搁，使延迟；留住；阻住，阻止：例句： The heavy traffic detained us for half an hour.拥挤的交通使我们耽搁了半个小时。The bad weather detained the travellers for several hours.
Waivers - Many factories require that visitors sign "waivers" before entering the premises. Normally, these waivers have referred to the manufacturer's liability for injury to the visitor, the visitor's liabilit
另一种追逐
