The long - distance call tolls amount to quite a sum.长途电话费 数目相当可观.For whom the bell tolls.丧钟为谁而鸣?For Whom the Bell Tolls is vintage Hemingway.[战地钟声]是海明威的杰作....
Objective To study the catalytic activity of potassium bisulfate in synthesizing hexyl hexanoate.目的研究硫酸氢钾在合成己酸己酯工艺中的催化性能.Isoamyl butyrate was synthesized by using potassium bisulfate as the catalyst.以硫酸氢钾为催化剂,正丁酸和异戊醇为原料合...
"It's been a lovely day," she said, dismissing the episode.“这是开心的一天,”她说,将那事抛到了脑后。The doctor tut-tutted, dismissing my words as excuses.医生啧啧不满,把我的话当作借口不予理睬。Experts are dismissing claims that the painting is a forgery...