expression

• Thus i was sitting there with my pondering expression .
  我坐在那儿，一副沉思的样子。
• His handsome eyes had a charming expression .
  他那俊美的双眼里有一种摄人心魄的表情。
• He tried hard to assume a natural expression .
  他用尽全力在脸上装出一副坦然的表情来。
• He kept looking at martha with an expression of sorrow .
  他一直用忧愁的目光望着玛莎。
• The expression in the square brackets looks familiar .
  中括号内的表达式看起来很熟悉。
• His habitual expression was one of mild puzzlement .
  他的习惯性表情是一种适度的困惑。
• No one could describe the scorn of her expression .
  谁也无法形容她那股鄙夷万分的表情。
• Her expression was aloof, poetic, rhapsodical .
  她的表情是超然的，诗意的，狂放无羁的。
• They greeted the president with many expressions of pleasure .
  他们兴高采烈地欢迎总统。
• We can manipulate the expression for reflection coefficient .
  我们可以利用反射系数公式。