Word · Frequency #9970
underside
/ˈʌndəsaid/
noun
底面；下侧；底部
核心释义
the side that is below or underneath; the bottom
- 1.
下面
The side that is below or underneath, the bottom.
下面；下侧；底面
用法In use
The label is on the underside of the bottle.
用法提示：名词，指物体的底面或下侧。
A thin layer of paint covers the underside of the bridge.
用法提示：名词，表示结构的下表面。
We found a crack on the underside of the table.
用法提示：名词，指某物朝下的那一面。
the underside of [something]
The underside of the leaf is green.
叶子的底面是绿色的。
on the underside of [something]
There is a sticker on the underside of the table.
桌子下面有一张贴纸。
相关词与表达Connections
搭配Collocations
- underside of a leaf
- 叶子的背面
- The aphids were clustered on the underside of the leaf.蚜虫聚集在叶子的背面。
- underside of a rock
- 岩石的底面
- We found a salamander hiding under the underside of a rock.我们发现一只蝾螈躲在岩石的底面下。
- underside of a car
- 汽车的底盘
- The mechanic inspected the underside of the car for rust.机械师检查了汽车的底盘是否有锈蚀。
- underside of a bridge
- 桥的底面
- Bats roost on the underside of the bridge during the day.蝙蝠白天栖息在桥的底面。
- underside of a chin
学习提示Learner notes
记忆技巧Memory Tip
拆分记忆：under（下）+ side（边），即底边、下面。
语境与语域Context & Register
语域：mixed 常见场景：technical description、everyday usage “underside”常用于正式或技术性描述（如物体底面），也常见于日常口语中指物体的下方，因此语域为混合。
发音与拼写Pronunciation & Spelling
All listed words end with -side and share the same pronunciation /saɪd/ (with possible stress variation), forming perfect rhymes with 'underside'.
用法优先级Usage priority
Collins 词频等级为 1，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
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 ECDICT, WIKTIONARY, WORDNET.