大众英语80篇背诵阅读带翻译(二) "04 Electricity The modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what... /
2010-06-08 / 查看
2 次
大众英语80篇背诵阅读带翻译(十七) "33 Plankton Scattered through the seas of the world are billions of tons of small plants and animals called plankton. Most of these plants and animals are too... /
2010-06-08 / 查看
12 次
避暑佳地:夏威夷的科纳海滨 This Kona Coast dive site is possibly the most beautiful, diverse, easily accessible, interesting dive location we have on the Island of Hawaii. It is at Honaunau Bay, ju... /
2010-06-08 / 查看
3 次