钙钒铀矿...

On Saturday we fished the River Arno.周六我们在阿尔诺河钓鱼。The Arno would suffice as a river if only it had some water.阿尔诺河要是有些水的话可以称为河流.From Florence the river Arno ran down to Pisa, and then it reached the sea.阿诺河从佛罗伦萨流经比萨入海....

She recognized the grating voice of Dr. Sarnoff.她听出了萨尔诺夫博士刺耳的嗓音。...

arnosulfan的音标：arnosulfan的英式发音音标为：[ɑ:'nəʊsʌlfæn]arnosulfan的美式发音音标为：[ɑ'noʊsʌlfæn]...