反射
Refers to the physical phenomenon of light, heat, or sound bouncing off a surface. It also describes an automatic and immediate physical reaction of the body to a stimulus.
Exemples
3 sur 5太陽の光が鏡に反射しています。
The sunlight is reflecting off the mirror.
この壁は音を強く反射します。
This wall reflects sound strongly.
まぶしい!光が反射してるよ。
It's bright! The light is reflecting.
Famille de mots
Astuce mémo
Visualize a mirror (鏡) shooting (射) back (反) the light that hits it. The kanji 反 means 'return' and 射 means 'shoot'.
Quiz rapide
暗い道で、自転車の( )板が光っている。
Correct !
La bonne réponse est : 反射
Exemples
太陽の光が鏡に反射しています。
everydayThe sunlight is reflecting off the mirror.
この壁は音を強く反射します。
formalThis wall reflects sound strongly.
まぶしい!光が反射してるよ。
informalIt's bright! The light is reflecting.
実験では光の反射角度を測定します。
academicIn the experiment, we measure the angle of light reflection.
当社の製品は熱を効率的に反射する素材を使用しています。
businessOur products use materials that efficiently reflect heat.
Famille de mots
Collocations courantes
Phrases Courantes
反射神経が良い
to have quick reflexes
膝蓋腱反射
knee-jerk reflex
乱反射
diffuse reflection
Souvent confondu avec
Hansei means to reflect on one's behavior/mistakes mentally, while Hansha is a physical reflection of light or a body reflex.
Han'ei means to reflect an abstract influence or status, whereas Hansha is for literal physical bouncing of light/sound.
Notes d'usage
Use this word primarily for physics (light/sound) or biological reflexes. It can be used as a noun or a suru-verb (反射する).
Erreurs courantes
Learners often use 'hansha' when they mean 'reflecting on their day' or 'considering their actions.' For deep thought, use 'hansei' or 'kangaeru'.
Astuce mémo
Visualize a mirror (鏡) shooting (射) back (反) the light that hits it. The kanji 反 means 'return' and 射 means 'shoot'.
Origine du mot
Derived from Middle Chinese, combining the characters for 'return/opposite' (反) and 'shoot/emit' (射).
Modèles grammaticaux
Quiz rapide
暗い道で、自転車の( )板が光っている。
Correct !
La bonne réponse est : 反射
Vocabulaire associé
Mots lis
協力
A1Cooperation or collaboration where two or more people combine their efforts to achieve a common goal. It is used in both personal and professional settings to describe working together as a team or providing assistance.
提案
A1A suggestion or proposal of a plan or idea for others to consider. It is used in both casual conversations and professional meetings to introduce a potential course of action.
輸出
A1The act of sending goods or services produced in one country to another country for sale or trade. In Japanese, it functions as a noun and a suru-verb, representing the 'exit' of products from a domestic market.
輸入
A1The act of bringing goods, services, or materials into a country from abroad for sale or use. In Japanese, it functions as a noun or can be combined with 'suru' to become a verb meaning 'to import'.
資源
A1Shigen refers to valuable materials or assets, such as natural minerals, energy sources, or human talent, that can be used for production or survival. It is widely used in economics, environmental science, and daily life to describe both raw materials and abstract wealth.
保護
A1The act of keeping someone or something safe from harm, damage, or loss by providing care or creating boundaries. It is a versatile term in Japanese used for social welfare, environmental conservation, and digital security.
観察
A1Observation is the act of watching someone or something carefully in order to gain information or understand a process. It is frequently used in scientific studies, nature analysis, and describing the act of paying close attention to details.
競争
A1Kyousou refers to the act of competing or vying with others to achieve a goal, win a prize, or establish superiority. It is a versatile term used in sports, business, and academics to describe both structured contests and general rivalry.
拡大
A1The act of making something larger in size, scale, or scope. It is frequently used for physical enlargement (like a photo) or abstract growth (like a business or a problem).
製造
A1The process of making or producing goods, typically on a large scale using machinery. It refers specifically to industrial manufacturing rather than making things by hand on a small scale.
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