次

• To solve it we must carry out two integrations .
  要解它必须进行两次积分。
• He had behaved impeccably both times .
  他两次的表现都无可指责。
• It was making me dizzy there a couple of times .
  有两次把我弄得晕头转向。
• This is my first battle with a human mortal .
  这毕竟是我第一次跟别人交锋。
• He failed his driving test five times .
  他驾驶考试五次没及格。
• I've built this siding four times .
  我设计这条支线已有四次了。
• He already has three demerits on his record .
  他已被记过三次。
• He tried to jump up a third time .
  他试图作第三次的跳高动作。
• The rice has been washed for three times .
  米已经淘了三次了。
• He tripped himself up a half-dozen times .
  他讲漏了嘴六七次。