单词：selection coefficient
单词：selection coefficient 相关文章
This is Whats Trending Today. The Bode Museum in Berlin, Germany is known for its collection of 540,000 rare coins. As of this week, however, it is down to 539,999. The collections largest coin has been stolen. The giant coin weighs 100 kilograms and
2017年VOA慢速英语(三)月
我们今天再给大家介绍两个以 top这个字为主的习惯用语。Top这个字有很多解释，在我们今天要讲的两个习惯用语里，top是指：最高，第一流，或者是特别
美国习惯用语
This is Whats Trending Today Images of Lady Liberty have appeared on American money over the years. Coins have shown her standing tall with a crown on head. She is usually holding a lamp in one hand. And, one thing has remained the same: Lady Liberty
2017年VOA慢速英语(一)月
Three coins in the fountain Each one seeking happiness (Thrown by three hopeful lovers) (Which one will the fountain bless?) Three hearts in the fountain Each heart longing for its home (There they li
100首英语歌
今天要讲的两个习惯用语都指在某一事务中举足轻重的实质性问题。先要学的习惯用语是： brass tack。Brass是金灿灿的黄铜，实际上黄铜是铜和锌这两种金属的合金，而tack是又小又尖的平头钉。
美国习惯用语
今天我们要学的词是top brass。 Top brass, 是最高级官员的意思，特别是指高级军官。星期二就职庆祝活动结束后，美国新总统奥巴马立即投入工作。 Obama met with his economic team and top brass from the P
英语单词荟萃