2014年08月CNN新聞聽力教程匯總和更新
2014年08月CNN新聞聽力更新列表
- 2014-08-01CNN News:地球軌道現(xiàn)存4000個(gè)退役衛(wèi)星，存在極大安全隱患
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Sputnik One lasted about a year before it reentered Earth`s atmosphere and burned up. The th... [查看全文]
Sputnik One lasted about a year before it reentered Earth`s atmosphere and burned up. The th... [查看全文]
