Mercaptans
(mercaptan 的复数) n.[化]硫醇
🗣️ 情景例句
Good afternoon, Mrs. Martin. I've come to see Mr. Martin.
您好，马丁夫人。我来看看马丁先生。
Self-distrust is the cause of most of our failure.
我们的失败多数是由于缺乏自信。
Speculations about is nature have been going on for literally thousands of years,
人们对睡眠作用的种种猜测，确实有数千年之久。