Instead of dining in top restaurants and wearing expensive suits, he likes to eat hamburgers and buys clothes off the peg.比起穿着昂贵的套装到高档饭店吃饭，他更喜欢吃汉堡、买成衣。Leaves on the line are an expensive problem for the railways.处理铁轨上的落叶...
I get very nervous because I'm using a lot of expensive equipment.因为正在使用很多昂贵的设备，所以我非常紧张。The case against is twofold: too risky and too expensive.反对理由有两点：太冒险而且太昂贵。They actually moved down from upstairs because the re...
诊断学(diagnostics)一词源于希腊文,意指鉴别 、 确定.Diagnostics is a word of Greece origin , which means discriminating, specifying.CT与 X 线透视, 超声, 同位素等影象显示方法相结合,建立起影像诊断学.CT and X - ray, ultrasound, isotope and other image display method c...