英语中BREAK好像是不可数名词,为什么有时候会用复数

n.（名词）
The act or an occurrence of breaking.
破裂，折断
The result of breaking, as a crack or separation.
破裂处：如裂缝，裂口
A beginning or an opening:
开始，敞开：
the break of day; a break in the clouds.
天破晓了；云层的空隙
A sudden movement; a dash:
急冲，猛跑：
The dog made a break toward the open field.
狗向田野冲去
An escape:
逃跑：
a prison break.
越狱
An interruption or a disruption in continuity or regularity:
中断，打断：指连续性和常规性的打断：
television programming without commercial breaks.
没有插商业广告的电视节目
A pause or an interval, as from work:
暂停，休息：工作时的间歇：
a coffee break.
喝咖啡的间歇
A sudden or marked change.
突变
A violation:
破坏：
a security break.
破坏安全
An often sudden piece of luck, especially good luck:
好运：突然来到的运气，尤指好运：
finally got the big break in life.
一生中最后走了好运
Informal
【非正式用语】
An allowance or indulgence; accommodating treatment:
津贴：津贴；予人方便的待遇：
The boss gave me a break because I'd been sick.
因为生病，老板给了我方便
A favorable price or reduction:
优惠的价格，打折：
a tax break for charitable contributions.
为慈善赠品提供的优惠税额
A severing of ties:
断绝联系：
made a break with the past; a break between the two families.
不再受往事的羁绊；两个家庭关系的断绝
Informal A faux pas.
【非正式用语】 失礼：指在社交上有失检点的行为、话语
A sudden decline in prices.
价格暴跌
A caesura.
韵脚中断
Printing
【印刷术】
The space between two paragraphs.
断纸：段落之间的空白处
A series of three dots ( . . . ) used to indicate an omission in a text.
省略号：三个点（…），用来表示文本的省略
The place where a word is or should be divided at the end of a line.
行尾的单词移行处
Electricity Interruption of a flow of current.
【电学】 电流的断路
Geology A marked change in topography such as a fault or deep valley.
【地质学】 断层：地形上的显著变化，如断层，深谷
Nautical The point of discontinuity between two levels on the deck of a ship.
【航海】 间断面：船甲板的两层之间的中断点
Music
【音乐】
The point at which one register or a tonal quality changes to another.
换音点，改调点
The change itself.
换音，改调
A solo jazz cadenza played during the pause between the regular phrases or choruses of a melody.
独奏华彩段：在正常的乐句间或乐曲的合唱部分间的暂停时刻表演的爵士乐独奏华彩段
A change in a horse's gait to one different from that set by the rider.
马的步态改变：指马改变骑手制定的步态
Sports The swerving of a ball from a straight path of flight, as in baseball or cricket.
【体育运动】 曲线飞行：棒球或板球运动中球的曲线飞行
Sports The beginning of a race.
【体育运动】 起跑
Sports The separation after a clinch in boxing.
【体育运动】 拳击中扭抱后分开
Games The opening shot that scatters the grouped balls in billiards or pool.
【游戏】 开球破局：打台球时第一杆把聚在一起的球打散
Games A run or unbroken series of successful shots, as in billiards or croquet.
【游戏】 连续得分：打台球或槌球时一次连续得分
Sports Games Failure to score a strike or a spare in a given bowling frame.
【体育运动】 【游戏】 滚球的失误
Also brake A high horse-drawn carriage with four wheels.
也作 brake 四轮马车
Break dancing.
霹雳舞

关键看它做什么意思讲啦~

break 是可数名词.像let`s have a break