2 文書を見つけるための辞書。

• glacial period, glacial epoch, ice age
• 氷河期, 氷河時代
• any period of time during which glaciers covered a large part of the earth's surface; "the most recent ice age was during the Pleistocene"
• 地表の大部分を氷河が覆った時代

• pleistocene epoch, glacial epoch, pleistocene
• 更新世, 氷河期
• from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
• 2百万年前から1万1千年前まで