The only evidence was cut into a tree and a fence: the letters C-R-O and the word Croatoan,C-R-O-A-T-O-A-N.
VOA : special.2009.08.17
So notice a difference in these structures, is this has an n h bond whereas this has an o h bond.
注意它们之间的有一点不同,那就是一个有氮氢键,而另一个有氧氢键。
化学原理课程节选 : 麻省理工公开课
We said each of the merge operations O was of order n. But n is different. Right?
注意这里发生了什么,我们说过每一次合并操作的复杂度都是?
计算机科学及编程导论课程节选 : 麻省理工公开课
The traditional spelling is d-o-u-g-h-n-u-t but people often just spell it d-o-n-u-t.
VOA : special.2010.04.12
"That's kind of fun!" "What's your name?" "Broklin,B-R-O-K-L-I-N."
VOA : special.2010.04.30
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。