半分钟：指时间的量度单位，等于30秒。
... wait a minute 等一下 ; 等一会 ; 等等 ; 等一会儿 half a minute 片刻 Hatred of a Minute 随时随地杀死你 ; 随时随地吓死你 ...
... Wind of Change风向转变 Half a Minute二分之一的时间 the Day Before You Came你来之前 ...
Hang on. I'll be ready in half a minute.
等一下。我马上就准备好了。
Half a minute, no more than one minute.
半分钟，不能超过一分钟。
The applause rang out for more than half a minute.
掌声持续了半分多钟。
And every minute and a half, another mother dies giving birth somewhere in the world.
VOA : standard.2010.05.11
For joy, apparently, it was all Franny could do to hold the phone even with both hands. For a foolish half minute or so there was no other words, no further speech, then "I can't talk anymore, buddy."
为了欢愉，明显是弗兰尼拿着电话,或者用双手能做的，在大约半分钟里,没有其他的话了，也没有讲话了，然后说，我不能谈论任何人，巴蒂“
1945年后的美国小说课程节选 : 耶鲁公开课
They each have about a half an hour or 45-minute lessons.
他们每个人都有大概一小时或四十五分钟的课。
SpeakingMax英语口语达人 : 和钢琴老师
It reached Mach 4.8 in less than half a minute powered by a solid rocket booster.
Its spring is wound for half a minute, and then unwinds over six minutes, charging a battery.
Half a minute later, what is perhaps the most important event occurs - the separation of the heat shield.
BBC: Mars Curiosity rover success depends on 'crazy' landing