year

年、年間

地球が太陽を一周する時間にほぼ等しい、十二か月の期間。

やさしい英語で： A period of twelve months, roughly the time Earth takes to travel around the sun.

• I lived there for a year.
• Their daughter is three years old.
• Have you seen him in the last year?

類義語： annum, mul:a, sun, twelvemonth

よく使う表現： a year ago, year old, for a year

年

通常、一月から十二月までを一まとまりとし、数字で表す期間。

やさしい英語で： A numbered period of twelve months, usually from January to December.

• This year is almost over.
• They got married in the year 2018.
• What are your plans for next year?

類義語： calendar year

よく使う表現： this year, next year, new year, year of birth

年度、学年

学校や事業などの活動のために区切った一年の期間。

やさしい英語で： The part of a calendar year during which school, business, or another regular activity takes place.

• The school year starts in September.
• Our financial year ends in March.
• She studied abroad for an academic year.

よく使う表現： school year, academic year, financial year, tax year

年、公転周期

惑星などが、周回している天体の周りを一周するのにかかる時間。

やさしい英語で： The time a planet or another object takes to travel once around the object it circles.

• A year on Mars lasts about 687 Earth days.
• Each planet has a different year.
• The astronomer calculated the length of the planet’s year.

類義語： orbital period

よく使う表現： martian year, planetary year, orbital year