ph

阶段,阶段性,阶段性的,阶段性成果

Definitions

As we were taught in high school Chem, any pH below 7.4 is acidic.
One pH direction is no better or more natural than the other.
Mammalian cellular metabolism, aka the basic rules of being alive on planet Earth, runs best at a pH between 7.38 and 7.42.
Things on the other side of the ledger, at a pH above 7, are alkaline (also called “basic” as in acid-base).
He had a Ph. D in history and was a college professor before entering politics.
Next week a prom'nent Jap'nese statesman was discovered payin' a socyal visit to th' Ph'lippeens.
An' yet, Hinnissy, I dinnaw what to do about th' Ph'lippeens.
The Ph. Baden directs its preparation by displacement with cold water.
O-ho-ph-sha, the Small Whoop; a hard-visaged warrior, of most remarkable distinction.
Go-to-kw-ph-ah, He who Stands by Himself; a brave of distinction, with his hatchet in his hand.