Lesson 64:The Channel Tunnel 英吉利海峡隧道 In 1858, a French engineer, Aime Thome de Gamond, arrived in Eng... [查看全文]
Lesson 63:She was not amused 她并不觉得好笑 Jeremy Hampden has a large circle of friends and is very popula... [查看全文]
Lesson 63:She was not amused 她并不觉得好笑 Jeremy Hampden has a large circle of friends and is very popula... [查看全文]
Lesson 63:She was not amused 她并不觉得好笑 Jeremy Hampden has a large circle of friends and is very popula... [查看全文]
Lesson 62:After the fire 火灾过后 Firemen had been fighting the forest for nearly three weeks before they c... [查看全文]
Lesson 62:After the fire 火灾过后 Firemen had been fighting the forest for nearly three weeks before they c... [查看全文]
Lesson 62:After the fire 火灾过后 Firemen had been fighting the forest for nearly three weeks before they c... [查看全文]
Lesson 61:The future 未来 The Hubble telescope was launched into space by NASA on April 20,1990 at a cost... [查看全文]
Lesson 61:The future 未来 The Hubble telescope was launched into space by NASA on April 20,1990 at a cost... [查看全文]
Lesson 61:Trouble with the Hubble 哈勃望远镜的困境 The Hubble telescope was launched into space by NASA on A... [查看全文]