Pyridine carboxylic acid
[化] 吡啶羧酸
🧩 词语组成解析
pyridine
['pɪrɪˌdi:n]
n. 吡啶（治喘病用）;氮（杂）苯;
[机] 羧基的
🗣️ 情景例句
John cannot get to the phone right now.
John现在没办法接电话。
You sucker!
江湖郎中！
Shortly after this the famous H. M. S. Challenger expedition established the study of the sea-floor as a subject worthy of the most qualified physicists and geologists.
此后不久，英国著名的“挑战者”号舰艇对海底的那次考察，把对海床的研究确立为一个值得一流物理学家和地质学家从事的研究课题。