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
What about your arms? Lift your arms up like this.
你胳膊怎么样?手抬起来， 像这样。
He has a pair of shoes.
他有一双鞋。
which I found most helpful on the cross-country journey, but which I did not think I should need on the last stage.
在乡间行车途中，我觉得它非常有用，但快到家了，我倒觉得它没什么用了。