one billionth (1/1,000,000,000) gram
同义词：nanogram??/??ng
And this is called a "Pidgin," P-I-d-g-I-n, a pidgin.
这就是所谓的"混杂语言"
心理学导论课程节选 : 耶鲁公开课
So, we need to find another scheme, and that solution was provided for us by G. N. Lewis.
所以我们需要寻找另一个理论来解释，而G。N。Lewis已经提供了答案。
固态化学导论课程节选 : 麻省理工公开课
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。