报道一种快速检测冰箱除臭器对乙硫醇驱除效率的气相色谱分析方法. A gas chromatographic method to quickly test the efficiency of refrigerator deodorizer in eliminating ethanethiol paper.
It can be difficult to ascertain the facts.可能难以查明事实真相。I'm going to ascertain the truth.我要查明真相.It's difficult to ascertain the coal deposits.煤储量很难探明....
Middlesbrough's Jimmy Phillips was sent off for fouling Steve Tilson.米德尔斯堡队的吉米·菲利普斯因为对史蒂夫·蒂尔森犯规而被罚下场。He was sent off for fouling the other team's goalkeeper.他因对对方守门员犯规而被罚出场.A basketball player is allowed five p...
But all dem Yankee folks, fust time dey meet me, dey call me'Mist'O'Hara.'可是所有北方人, 头一次见到我, 都叫我'奥哈拉先生'.Johann Fust , a local venture capitalist, loaned him 800 guilders in 1450.约翰·福斯特, 一位当地的资...