Word · CEFR B2 · Frequency #10092
radiate
辐射；发出（光、热等）
核心释义
to send out rays or waves of light, heat, or energy; to come out in such rays
- 1.
从中心向外延伸、发送或扩散
To extend, send or spread out from a center like radii.
- 2.
发射光线或波
To emit rays or waves.
- 3.
以光线或波的形式发出或传播
To come out or proceed in rays or waves.
- 4.
照亮
To illuminate.
- 5.
暴露于电离辐射,如通过放射摄影
To expose to ionizing radiation, such as by radiography.
- 6.
以光辉的方式展现自己
To manifest oneself in a glowing manner.
- 7.
扩散到新栖息地,迁移
To spread into new habitats, migrate.
呈辐射状展开；从中心向各方伸展；流露；显露；照亮；使明亮；使受辐射；对……进行放射照射；（生物）向新区扩散；迁移
用法In use
The sun radiates light and heat.
用法提示：radiate 作为动词，表示“放射（光、热）”。
She radiates confidence and joy.
用法提示：radiate 作为动词，表示“流露出（情感）”。
The roads radiate from the town center.
用法提示：radiate 作为动词，表示“向四周伸展，辐射”。
radiate + noun (light/heat/energy)
表示发出光线、热量或能量。
The sun radiates light and heat.
太阳辐射光和热。
radiate from + noun
表示从某点向外辐射或散发。
Heat radiates from the stove.
热量从炉子散发出来。
相关词与表达Connections
搭配Collocations
- radiate heat
- 散发热量
- The sun radiates heat and light.太阳散发光和热。
- radiate confidence
- 流露出自信
- She radiates confidence whenever she speaks.她每次说话都流露出自信。
- radiate from
- 从……散发出来
- Warmth radiated from the fireplace.温暖从壁炉散发出来。
- radiate outward
- 向外扩散
- The shock waves radiated outward from the epicenter.震波从震中向外扩散。
- radiate warmth
- 散发温暖
学习提示Learner notes
记忆技巧Memory Tip
太阳放射光热，就像‘radiate’的‘radi’发音像‘热地’，心热则光芒四射。
语境与语域Context & Register
语域：mixed 常见场景：科技、日常、情感 “radiate”在不同语境下语域有所变化：在科技或物理语境中偏正式；在日常对话或情感描述中则较为中性，使用灵活。
发音与拼写Pronunciation & Spelling
All listed words share the spelling ending -iate, but none rhymes with 'radiate' because their stressed vowels differ (e.g., /iː/, /oʊ/, /ɪ/ vs. /eɪ/ in 'radiate').
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.