Era
01
時代, 紀元
a period of history marked by particular features or events
例
The fall of the Berlin Wall marked the beginning of a new era in European politics.
ベルリンの壁の崩壊は、ヨーロッパ政治における新たな時代の始まりを告げた。
The discovery of penicillin marked the start of a new era in medical treatment and antibiotics.
ペニシリンの発見は、医療治療と抗生物質における新たな時代の始まりを告げた。
02
防御率, ERA
(baseball) a measure of a pitcher's effectiveness; calculated as the average number of earned runs allowed by the pitcher for every nine innings pitched
例
His ERA dropped after the midseason adjustment.
A sub-3.00 ERA signals elite performance.
03
時代, 紀
(geology) a subdivision of time that divides eon into smaller units
例
The Mesozoic Era ended with a mass extinction.
Fossils from this era are widespread.
04
期間, 時代
a phase in life or culture marked by specific interests, priorities, or trends
Slang例
He 's in his gamer era lately, playing all day.
彼は最近ゲーマーの時代にいて、一日中ゲームをしている。
This era of my life is all about fitness.
私の人生のこの時代は、すべてフィットネスに関するものです。
