for less than two hours信息详情
不到两个小时
for two hours───长达两小时；持续两个小时
less than───小于；少于；不到；小于，决不; 以内; 没有; 不足
anything less than───绝非；亚于
not less than───n.至少; 不啻；不小于，不少于……；至少……
nothing less than───完全是；不亚于；与…一模一样；完全，全部
less important than───不重要于
less than symbol───小于符号
less than sign───小于号
less than zero───小于零
After two weeks, the H.I.T. riders, with less than 20 minutes of hard effort behind them, had increased their aerobic capacity as much as riders who had pedaled leisurely for more than 10 hours.───两周以后，这些高强度间歇训练者，总共进行了不到20分钟的高强度训练，他们的有氧能量增加程度已经和那些悠闲的骑了超过10小时的人相同了。
The teenager was in the emergency room for less than two hours.───那个年轻人被抢救了不少于两小时。
They had been working for less than two hours when they took a rest.───他们干了没有两个小时就休息了。
We talked for less than two hours around the camp file, then we all got into tents and fell asleep.───我们围着篝火扯谈不到两小时，一个个纷纷钻进帐篷，很快就进入了梦乡。
The players averaged between 12 and 13 hours of activity per week while the non-players exercised for less than two hours weekly.───运动员组平均每周的活动时间为12至13小时，而非运动员组每周的活动时间不超过两个小时。