circulation

血液循環、血行

血液が体内を巡ること。

やさしい英語で： The movement of blood around your body.

• Exercise improves circulation.
• Her feet feel cold because she has poor circulation.
• The doctor checked the circulation in his legs.

類義語： blood flow

よく使う表現： blood circulation, poor circulation, improve circulation

流通

硬貨や紙幣が支払いに使われ、人から人へ渡ること。

やさしい英語で： The use and movement of coins and paper money as people pay for things.

• The old coins are still in circulation.
• New banknotes entered circulation last month.
• The bank removed fake notes from circulation.

使い方： in circulation (These coins are still in circulation.); take something out of circulation (The bank took the damaged notes out of circulation.)

よく使う表現： in circulation, out of circulation, enter circulation

流通、普及

物や情報などが、人や場所の間を行き渡ること。

やさしい英語で： The movement or spread of something between places or people.

• The story has wide circulation.
• They encouraged the circulation of ideas between departments.
• Several versions of the document are in circulation.

使い方： the circulation of something (They restricted the circulation of the private report.)

類義語： distribution, spread

よく使う表現： circulation of something, wide circulation, in circulation

循環

一定の経路を巡って、出発点に戻る動き。

やさしい英語で： Movement around a route that returns to its starting point.

• The pump keeps the water in circulation.
• Air circulation around the room helps spread the warmth.
• A blockage stopped circulation through the loop of pipes.

使い方： circulation around something (The pump maintains circulation around the closed pipe system.)

よく使う表現： water circulation, air circulation, circulation around something