When the word “shift”is used as a verb, it means to move or to change. It’s also a word popularly used when changing from one gear to another on a car or on a bike.
“shift”用作动词时，意为“移动”或“改变”。也常被用来表达“给车换挡”（shift gears）的意思。

We shifted some money from one bank account to another.
我们从一个银行账户中转移了一些钱到另一个。

David always shifts his car into a lower gear when he climbs this steep road.
大卫常常在陡峭的路上换抵挡。

I shift gears a lot while riding my bike.
我在骑车的时候常常换挡。

We need to shift some weight in the truck so that it’s more evenly distributed.
我们需要改变一下卡车的重量使得其分布更均匀。

When used as a noun, “shift” means change or move, but it’s also used for an amount of time at work. Some companies and organizations operate 24 hours a day, which is divided into three equal shifts: the day shift, the afternoon shift, and the night shift.
“shift”用作名词时，意思仍然是“改变”或“移动”，但是也表示“轮班”。某些公司或组织一天24小时都在运作，因而一天被分为三个轮班：日班、下午班和夜班。

Jan works the second shift from 3 p.m. to 11 p.m.
简上下午班——从下午三点到晚上十一点。

Sometimes her husband works the overnight shift from 11 p.m. to 7 a.m.
有时候她丈夫上夜班——从晚上十一点到第二天早上七点。

Most workers prefer the day shift from 7 a.m. to 3 p.m.
大多数工人更喜欢上日班——从早上七点到下午三点。

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