glacial age的用法和樣例：
例句
- Most climate experts agree that we need not fear a full-fledged ice age in the coming decades.
大部份的氣候專(zhuān)家都同意，往后的數十年內，我們尚無(wú)需擔憂(yōu)會(huì )碰上成熟的冰期。 - During the Pleistocene Ice Age, the ancient drainage systems were almost completely rearranged by glaciation.
在更新世冰期，古水系常被冰川作用完全改造。
