Word · CEFR A1 · Frequency #105
back
背；背部；后背
核心释义
The rear part of a human or animal body between the neck and the lower end of the spine.
- 1.
背部
The rear of the body, especially the part between the neck and the end of the spine and opposite the chest and belly.
- 2.
大而浅的桶；酿酒师、蒸馏师、染工、腌制商、制胶商等用来混合或冷却麦芽汁、盛水、盛热胶等的水池、桶或槽。
A large shallow vat; a cistern, tub, or trough, used by brewers, distillers, dyers, picklers, gluemakers, and others, for mixing or cooling wort, holding water, hot glue, etc.
- 3.
人(或动物)身体从颈部到脊柱末端的后部
the posterior part of a human (or animal) body from the neck to the end of the spine
- 4.
最远离前面的部分
That which is farthest away from the front.
- 5.
渡船。
A ferryboat.
- 6.
最后出现或通常看不见的一面
the side that goes last or is not normally seen
- 7.
类似动物背部的物体上部
The upper part of a natural object which is considered to resemble an animal’s back.
- 8.
离正常观察者最远的部分
the part of something that is furthest from the normal viewer
- 9.
后备支持或资源
A support or resource in reserve.
- 10.
船的龙骨和龙骨翼板
The keel and keelson of a ship.
- 11.
水平地下通道的顶部
The roof of a horizontal underground passage.
- 12.
搭配烈酒的无酒精饮料
A non-alcoholic drink (often water or a soft drink), to go with hard liquor or a cocktail.
- 13.
皮革商用语:最厚实坚韧的鞣制皮革之一。
Among leather dealers, one of the thickest and stoutest tanned hides.
后部；后面；背面；后盾；靠山；后备；脊；背部；顶部；大浅桶；缸；槽；（船的）龙骨
用法In use
My back hurts after sitting at the desk all day.
用法提示：这里的'back'是名词，指人体背部，表示疼痛的部位。
He carried his little daughter on his back through the park.
用法提示：这里的'back'是名词，指背部，用作支撑物。
She has a small mole on her lower back.
用法提示：这里的'back'是名词，特指身体后侧的一部分。
his back was nicely tanned
he wrote the date on the back of the photograph
he stood at the back of the stage
on one's back
指仰卧姿势，背朝下。
相关词与表达Connections
搭配Collocations
- lower back
- 下背部
- He felt a sharp pain in his lower back.他感到下背部一阵剧痛。
- back pain
- 背痛
- Prolonged sitting can cause back pain.久坐会导致背痛。
- at the back of
- 在…的后部；在…后面
- The library is at the back of the campus.图书馆在校园的后部。
- back of the head
- 后脑勺
- She bumped the back of her head against the door.她的后脑勺撞到了门上。
- on one's back
- 仰卧着（背朝下）
学习提示Learner notes
记忆技巧Memory Tip
把 back 想成'背'：你背的书包正贴在后背(back)上，后背就是 back。
语境与语域Context & Register
语域：neutral 常见场景：日常对话、医疗咨询、物体方位描述 作名词表示“背部”或“背面”时，通常属于中性常用词，日常口语和书面语中都自然；在医疗或方位描述里也比较常见，不需要刻意区分正式或非正式语气。
发音与拼写Pronunciation & Spelling
以上词都与 back 同韵，读音均为 /æk/，拼写为 -ack。注意形近异音词，如 bake /beɪk/ 和 bark /bɑːk/，拼写接近但发音与 back 不同。
高价值词汇High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
用法优先级Usage priority
Collins 词频等级为 5，建议结合例句记忆，而不是只背中文释义。
一起学习词形Learn the forms together
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.