In this week's episode of Everyday Grammar,we're going to talk about two common types of double negatives.A double negative is when you use two negative words in the same clause of a sentence. Let's take a real-world example. In 2012, President Obama spoke at United Nations about the...
又到3月14日,Happy π Day ! 每年MIT(麻省理工)总选择在这一天的1点59分放榜,又是几家欢乐几家愁.今年的π日被称为世纪π日,因为3.14, 16年!π是一个神奇的数字,有很多人用能被背到小数点后多少位数来炫耀记忆力......Pi (π) is the ratio of a circle's circumference to its diameter....