My digestion ain't so hot these days, either.我的消化系统这几天也不怎么对劲儿。Gastroenterology: Medical specialty dealing with digestion and the digestive system.消化学: 研究消化系统及其疾病的医学.Wealthy people drank cacao and said it was good fo...
Costello later apologized, saying he'd been annoyed by the man.科斯特洛后来表示了歉意，说他是被那人惹怒的。He felt suitably chastened and apologized.他感到内疚并表示歉意。She apologized with a bad grace.她很勉强地道了歉....
The alkylation of isoparaffin with olefin is an important process of petroleum processing.异构烷烃与低分子烯烃的烷基化反应是石油加工的重要过程之一.This makes isoparaffin analysis pass thermo vaporation separation examination from the sample hydroca...