Ph standard
[机] pH标准
🧩 词语组成解析
氢离子指数\\n[医] 药典; 苯基
standard
['stændɚd]
n. 标准，规格;旗，军旗;度量衡标准;直立支柱;
adj. 标准的，合格的;普遍的，一般的;公认为优秀的;
🗣️ 情景例句
I don't care how much I have to study. I have to pass this exam.
我不介意要学多少东西。我必须得通过考试。
Get off on the wrong foot.
出师不利。
He asked if Mr.Gilbert's operation had been successful and the doctor told him that it had been.
他问吉尔伯特先生的手术中否成功，医生告诉他手术很成功。