次

• The first few conferences had gone well .
  最初几次的会议进行得很顺利。
• They experimented three times on the seed .
  他们对种子进行了三次试验。
• She has had three pregnancies in four years .
  她在四年中怀孕三次。
• He had three tries and failed each time .
  他试验三次，每次都失败。
• Thus i made my second sally into the world .
  这样我第二次冲进世界里来。
• The shop changed hands twice within a week .
  该店一周内易手两次。
• I have been there many times in the past .
  我从前去过那儿很多次。
• Future crises were handled crisply .
  后来的一次次危机都处理得干净利落。
• She is already served two aces this game .
  她在这一局中已两次发球得分。
• He gives twice that gives in a twice .
  立刻施与的人等于施与两次。