单词:
单词: 相关文章
一个英语单词可分为三部分:前缀(prefix)词根(root)后缀(suffix)。位于词根前面的部分就是前缀。前缀,可以改变单词的意思。 e- 表示出去,外面 elect = e + lect(选择;select) 选出来 v
美国众议院无条件通过债务上限法案 WASHINGTON, Feb. 11 (Xinhua)-- U.S. House of Representatives on Tuesday approved a bill with no provisions attached to extend the limit on the federal government's borrowing authority. The legislation,
美国众议院通过清洁债务上限法案 WASHINGTON, Feb. 11 (Xinhua)-- U.S. House of Representatives on Tuesday approved a bill with no provisions attached to extend the limit on the federal government's borrowing authority. The legislation, ap
Likewise, light travels at its maximum speed through a vacuum-the interstellar highway-but it slows down when it enters air, water, or some other medium. Through air, light moves a hint slower: forty miles-per-second less than its maximum speed. Thro
Facebook's initial public offering was May 18. CNBC was covering the event live. Ian went online at 11 a.m. Shares were selling at $39 each. He decided to gamble his entire savings of $5,000. He placed a market order to buy 128 shares. He waited for
世界上跑得最快的是什么?答案是光速。它每秒能跑186,280英里。因为即使在太空中,光速也大致相同,所以光年也就用于描述不同星球之间的距离。记住了哦,光年是距离单位,不是时间单位