double

• Send me this sample in double .
  把样品送两份给我。
• Now i've got double trouble .
  可我现在是难上加难。
• Sacrifice had a double origin .
  献祭有双重起源。
• Li ying paired off with liu hua in a tennis doubles match .
  李英在网球双打中与刘华搭档。
• The base line can be set out as a single or double chain .
  基线可作为一条单链系或双链系。
• Bigger doubled his fist and struck his solar plexus .
  别格捏紧拳头，敲打自己的太阳神经丛。
• We doubled up the hill .
  我们一路小跑上了山。
• The road ahead was flooded so we had to double back .
  前面的路已遭水淹，我们只好原路折回。
• Compounds containing two double bonds are called dienes .
  包含两个双键的化合物叫做二烯烃。
• When we have guests , the sofa doubles as an extra bed .
  我们有客人时沙发可兼作临时的床用。