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pH

英美['pi 'etʃ]

英英释义考试真题实用场景例句

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.

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.

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.

There was a time not long ago when new science Ph.

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

One critical step that could help to drive change would be to require Ph.

In science, graduate students and new Ph

What do we learn about new science Ph.

What does the author say about America's Ph