Word · CEFR A1 · Frequency #105
back (adv.)
背；背部；后背
The rear part of a human or animal body between the neck and the lower end of the spine.
- 1.
The rear of the body, especially the part between the neck and the end of the spine and opposite the chest and belly.
背部
- 2.
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.
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。
- 3.
the posterior part of a human (or animal) body from the neck to the end of the spine
人(或动物)身体从颈部到脊柱末端的后部
- 4.
That which is farthest away from the front.
最远离前面的部分
- 5.
A ferryboat.
渡船。
- 6.
the side that goes last or is not normally seen
最后出现或通常看不见的一面
- 7.
The upper part of a natural object which is considered to resemble an animal’s back.
类似动物背部的物体上部
- 8.
the part of something that is furthest from the normal viewer
离正常观察者最远的部分
- 9.
A support or resource in reserve.
后备支持或资源
- 10.
The keel and keelson of a ship.
船的龙骨和龙骨翼板
- 11.
The roof of a horizontal underground passage.
水平地下通道的顶部
- 12.
A non-alcoholic drink (often water or a soft drink), to go with hard liquor or a cocktail.
搭配烈酒的无酒精饮料
- 13.
Among leather dealers, one of the thickest and stoutest tanned hides.
皮革商用语:最厚实坚韧的鞣制皮革之一。
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
In use
My back hurts after sitting at the desk all day.
He carried his little daughter on his back through the park.
She has a small mole on her lower back.
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。
He was lying on his back.
他仰面躺着。
at the back of sth
Connections
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）
- The patient had to lie on his back for hours.病人不得不仰卧数小时。
- the back of one's hand
Learner notes
Memory Tip
把 back 想成'背'：你背的书包正贴在后背(back)上，后背就是 back。
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。
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。
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。
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。
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.