English Dictionary

ice age

名詞

口語

(sciences) A period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence of major polar ice sheets that reach the ocean and calve icebergs.

日本語の意味

氷河期：地球表面と大気の温度が長期間にわたり低下し、大規模な極地氷床が形成され、海に達して氷山が落ちる時代

Scientists study ancient climate patterns to understand how an ice age can reshape ecosystems and sea levels.

科学者たちは古代の気候パターンを研究し、氷河期がどのように生態系や海面を変えるかを理解しようとしています。

意味（1）

(sciences) A period of long-term reduction in the temperature of Earth's surface and atmosphere, resulting in the presence of major polar ice sheets that reach the ocean and calve icebergs.

The earth is currently in the Late Cenozoic Ice Age, an ice age that began 33.9 million years ago with the Antarctic Ice Cap.

意味（2）

(colloquial) Any of several glacial periods (within a scientific ice age) marked by episodes of extensive glaciation alternating with episodes of relative warmth (interglacial).

The cause of ice ages, Köppen decided, is to be found in cool summers, not brutal winters.

ice ages （ plural ）