报道以呋喃甲醛和苯乙酮为原料,氢氧化钠为催化剂,采用超声波辐射合成糠叉乙酰苯的方法.With furfural and acetophenone as raw materials - furfurylideneacetophenone was synthesized by NaOH as catalyst under ultrasonic irradiation....
I received two slaps on the face myself.我自己脸上挨了两次刮.KRAMER : [ slaps George on the arm ] You keep me posted!克雷默: 那你得经常告诉我消息!White older boy: ( Slaps his brother again ) Shut up!白人大男孩: ( 给了他弟弟一巴掌 ) 嘴!...
I daren't think how much it's going to cost.我没敢想这得花多少钱.Ken Daren, I'd hate to hear how you describe your worst movie!要是你向我描述你最不喜欢的电影就可怕了!KKJBKVUNAAV is any meaning understands Morse code Daren instruction!...
She answered an advert for a job as a cook.她看到一则招聘厨师的广告后写信应征。I saw an advert for a job with a large engineering company.我看见一家大型工程公司的招聘广告。I saw an advert for a job with a large engineering company...我看见一家大型工程公司的招聘广告。'...