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March 24, 2026
放射fàngshè(fang4she4)
放射 refers to the process of emitting energy in the form of rays or particles, often associated with radioactive materials. It is commonly used in scientific contexts, particularly in physics and medicine, to describe phenomena such as radiation therapy or radioactive decay.
Frequency#9401DifficultyHard
Cultural Note
In Chinese culture, the concept of 放射 is significant in discussions about health and safety, particularly with the country's focus on nuclear energy and medical treatments involving radiation. This reflects a broader awareness of science and technology in contemporary Chinese society.
Memory Tip
Imagine a glowing sun (放) radiating (射) beams of light. The character 放 looks like an open hand, symbolizing the act of letting out or emitting, while 射 resembles an arrow shooting out from a bow, illustrating the concept of radiating energy.
Meanings of 放射
fàngshè(fang4she4)
1to radiate
2radioactive
Exercise 1 of 2
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About 放射
放射Simplified
—Strokes
—Radical
动词dòngcíverb (v.)Part of Speech
#9401Frequency Rank
HSK 2.0L6HSK 3.0L7TOCFLL5HSKKL3CEFRC1
Podcast: 放射
Podcast: 放射
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AI Study Notes for 放射
Quick Contrast
放出 (fàngchū) vs 放射 (fàngshè): use 放出 for more general emission of substances, while 放射 specifically refers to emission in the form of rays or particles.
Memory Mnemonic
Imagine a glowing sun (放) radiating (射) beams of light. The character 放 looks like an open hand, symbolizing the act of letting out or emitting, while 射 resembles an arrow shooting out from a bow, illustrating the concept of radiating energy.
Usage Notes
This term is primarily used in formal contexts, especially in scientific discussions. Be cautious with the tones; using the wrong tone can change the meaning entirely. Common collocations include 放射线 (radiation) and 放射性 (radioactive).
HSK Study Tips
As an HSK 6 word, 放射 connects to other scientific vocabulary you may encounter at this level, such as 能量 (energy) and 辐射 (radiation). Focus on understanding its usage in various scientific contexts and related terms.
Cultural Note
In Chinese culture, the concept of 放射 is significant in discussions about health and safety, particularly with the country's focus on nuclear energy and medical treatments involving radiation. This reflects a broader awareness of science and technology in contemporary Chinese society.
Common Mistakes
Learners often confuse 放射 with 发射 (to launch), leading to incorrect phrases like '放射火箭' instead of '发射火箭'. Remember, 放射 is related to radiation, not launching objects.
AI-enhanced 2026-03-24
Pronunciation of 放射
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Grammar Patterns of 放射
放射 functions as a verb — the action or state of the sentence. The Chinese order is Subject + Verb + Object (我吃饭). Negate it with 不 (habitual / future) or 没(有) (completed action). Add aspect markers like 了, 过, 着 directly after the verb. It carries 2 related meanings, each with its own usage notes below. The example sentences below show it in action, with practice buttons (Listen, Practice Writing, Practice Speaking) on every line.
Exercise 1 of 4
Complete the Sentence
酒是有____性的，可是很少有人因此而戒酒。
Wine is radioactive but few people stop drinking it on that account.
Early lesions can be successfully treated with irradiation or cautery and curettage.
5
放射疗法使她瘦了不少.
fàng shè liáo fǎ shǐ tā shòu le bù shǎo.
The radiotherapy has taken her down somewhat.
6
沥清铀矿和铜铀云母比纯铀的放射性强得多.
lì qīng yóu kuàng hé tóng yóu yún mǔ bǐ chún yóu de fàng shè xìng qiáng dé duō.
Pitchblende and chalcolite are much more radioactive than uranium itself.
Cultural Notes for 放射
🏮Cultural insight
In Chinese culture, the concept of 放射 is significant in discussions about health and safety, particularly with the country's focus on nuclear energy and medical treatments involving radiation. This reflects a broader awareness of science and technology in contemporary Chinese society.
Frequently Asked Questions about 放射
放射 refers specifically to the act of radiating, while 辐射 refers more broadly to radiation itself.
No, 放射 is mainly used in scientific or technical contexts and is not commonly used in daily conversation.
It's best to stick to scientific contexts, as using it in casual conversation may confuse listeners.
