产

• There are several species of maple trees that are tapped .
  产枫浆的枫树有好几个品种。
• Time of calving varies with class of country .
  由于各地条件不同，产牛犊的时间也不同。
• By 1967 we were ready with two new entries .
  到1967年，我们为生产两项新产品作好了准备。
• My wife was confined of a boy .
  我妻子产一男孩。
• That cow is a good milk-maker .
  那头母牛产奶多。
• Tobacco is native to america .
  烟草原产于美洲。
• My hens are laying well .
  我养的鸡产蛋很多。
• Eventually the new energy-producing reactions run out of fuel .
  新的产能反应最终耗尽了燃料。
• "the first labor is usually protracted," the nurse said .
  “初产通常是拖得很长的，”护士说。
• Each cow normally produces only one calf at a time .
  在一般情况下，一头母牛每次只能产一头牛犊。