Pipecolinic acid
[化] 2-哌啶酸
🧩 词语组成解析
🗣️ 情景例句
What guarantee do I have that it won't break down easily?
有什么保障它不会轻易出故障？
What is learnt in the cradle lasts (or is carried) to the grave.
小时学会的事情到老不会忘记。
Perhaps the most extraordinary building of the nineteeth century was the Crystal Palace, which was built in Hyde Park for the Great Exhibition of 1851.
19世纪最不寻常的建筑也许要数水晶宫了，它是为1851年的“世界博览会”而建在海德公园的。