pH
英 美['pi 'etʃ]
- abbr. 酸碱度符号（描述氢离子活度的）
考试真题
- Jody has a Ph.D.in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.
出自-2016年6月听力原文
- Jody has a Ph.D. in nutrition, but more important, she has personal experience—her mother taught her to diet when she was only eight years old.
出自-2016年6月听力原文
- There are more than 600,000 professional social workers in the country, and we all either have a bachelor’s degree, a master’s degree or a Ph D in social work.
出自-2016年12月听力原文
- There was a time not long ago when new science Ph.
出自-2013年12月阅读原文
- Partly this is a result of how bleak the academic job market is, but there's also a rising awareness of career options that Ph
出自-2013年12月阅读原文
- One critical step that could help to drive change would be to require Ph.
出自-2013年12月阅读原文
- In science, graduate students and new Ph
出自-2013年12月阅读原文
- What do we learn about new science Ph.
出自-2013年12月阅读原文
- What does the author say about America's Ph
出自-2013年12月阅读原文