高考常用高频词组 at a time


释义：

at a time 一次；每次；在某时

例句：

I can only carry two at a time.

我一次只能带两个。



Let's attack one problem at a time.

咱们一次全力处理一个问题。



My mind could only assimilate one impossibility at a time.

我的头脑一次只能吸纳一件不可能的事情。



The boats remain at sea for an average of ten days at a time.

这些船平均每次在海上呆10天。



Now she must talk her sister through the process a step at a time.

现在她必须向她姐姐详细解释这个过程，一次只说一个步骤。



Introduce foods one at a time and notice if you feel uncomfortable with any of them.

一次尝一种食物，看你是否对其中某种食物感到不适。



Wealth starts with a goal saving a dollar at a time.

财富始于一次存一美元的目标。



Gray squirrels bury nuts one at a time in a number of places.

灰松鼠在很多地方一次埋一个坚果。



I was unable to keep focused for more than an hour at a time.

我无法一次集中注意力超过一个小时。



Many alcoholics go on drinking sprees that continue for days at a time.

许多酒鬼一次要狂饮好几天。



It was like being a mouse, only daring to nibble a little bit at a time.

它就像一只老鼠，一次只敢吃一点点。



You trust that the peeling of your fluff will reveal slowly, one layer at a time.

你相信你的绒毛会慢慢地、一次一层地剥开。



Only one task may hold the mutex at a time, and only this task can unlock the mutex.

一次只能有一个任务持有互斥锁，并且只有这个任务可以解锁互斥锁。