double

• What kind of double talk was this ?
  这是一种什么样的模棱两可的话呢？
• The baby doubled its weight in a year .
  婴儿的体重一年增加了一倍。
• His left arm was doubled under his head .
  他的左胳膊压在脑袋下面。
• Her clothes spread out on the double bed .
  她的衣服散乱地铺满了双人床。
• Double taxation poses the first problem .
  第一个问题是双重征税。
• The girl doubled as secretary and receptionist .
  那女孩兼做秘书和招待员。
• The canopy walls are of double thickness .
  该天盖壁是双层厚的。
• Gas prices would double in 1979 .
  汽油价格在1979年要上涨一倍。
• I observed that he doubled his right fist .
  我看见他攥着右拳。
• also adds the double bond.
  同时也加成到双键的两端。