一段时间用英文怎么说

一段时间的英文：
cycle
period of time
spell
stretch
while

参考例句：

• For a short time; not for long
  有一段时间;暂时
• One day is a period of twenty-four hours.
  一天是二十四小时的一段时间。
• Gold prices on the London market are expected to flatten out after a period of fluctuation.
  一段时间的波动后，预料伦敦市场的黄金价格将稳定下来了。
• The detached crystals slithered down the rock face for a moment and then made no further sound
  散开的晶体在岩石表面滑了一段时间就再也没有声音了
• Payment is made in arrears,ie at the end of the period in which eg the work was done.
  后行付款(在最后的一段时间付款,例如工作完成后).
• Simon's business has been on the rocks for some time and I understand he's going into liquidation.
  西蒙的生意遇到经济困难已有一段时间，我想他即将进行破产清算。
• These rumblings led Gingrich recently to declare that he would take a seat on the "bench": for a while
  这些普遍的抱怨促使金里奇最近宣布，他将在一段时间里不参加活动。
• He crouched there for a long time before he hit upon a plan to defeat his antagonist.
  他蹲在那里很长一段时间后，突然想出了一个挫败他对手的计划。
• For a long time, I watched them scurrying around the base of the tree in bewilderment.
  在很长一段时间里，我看见蚂蚁还在围着胶带团团转，不知所措。
• You've been working out regularly for quite a while, but you're nowhere near1 your fitness goals.
  你经常做健身运动已有相当长一段时间了，但是你的健身目标仍然遥不可及。

cycle是什么意思：
n. 循环，周期；自行车；整个系列
v.（使）循环，（使）轮转；骑自行车

• Then the market cycle overtook the political cycle.
  当时，市场周期超越了政治周期。
• The seasons of the year make a cycle.
  一年四季构成一个循环。
• The pedal of a cycle is attached to a crank.
  自行车的踏板与曲柄相连。

period是什么意思：
n. 时间；时期；周期；经期；课时；局；句号
adj. 某一时期的；当时特有的

• juvenile period
  幼年期(构成中心木质部的一段时期)
• But this is a transitional period.
  但这是个转变过程。
• The period includes the legal period and the period designated by the people's court.
  期间包括法定期间和人民法院指定的期间。

time是什么意思：
n. 时间；（一段）时光；时机；机会；历史时期；时代；次；回；倍
v. 测定…所花时间；调准；调整；测定…所花时间
adj. 时间的；定时的；定期的；分期的

• discrimination time
  辨别时间辨别时间
• It is time to go.
  该走了。
• They are not in step with the times.
  他们跟不上时代的步伐。