1. She gave me a glacial smile.
    她对我冷冷地一笑。

2. Two thirds of the continent was covered in ice during glacial periods.
    该大陆的三分之二地区在冰河时代被冰覆盖着。

1. 冰川的：glacial till 冰碛物 | glacial 冰川的 | glacial-interglacial cycle 冰期-间冰期旋回

2. 冰河的：gismondite 多水高岭土 | glacial 冰河的 | glacial amphitheater 粒雪盆

3. 冰的：glacial period 冰川时期 | glacial 冰的 | glacialist 冰河学者

4. 冰的冰状的冰河的极冷的：givewayvessel 让路船义务船 | glacial 冰的 冰状的 冰河的 极冷的 | glacial 冰的冰状的冰河的极冷的

1. 冰河的；冰川的；由冰川形成的
    Glacial means relating to or produced by glaciers or ice.

    e.g. ...a true glacial landscape with U-shaped valleys.
           有U形山谷的名副其实的冰川景观
    e.g. ...rising sea levels at the end of the last glacial period.
           末次冰川期结束时上升的海平面

2. 冷淡的；冷若冰霜的
    If you say that a person, action, or atmosphere is glacial, you mean that they are very unfriendly or hostile.

    e.g. The Duchess''s glare was glacial...
           公爵夫人冷漠地看着。
    e.g. Inside the jeep the atmosphere was glacial.
           吉普车里的气氛相当冷淡。

3. 冰川般运动的；极其缓慢的
    If you say that something moves or changes at a glacial pace, you are emphasizing that it moves or changes very slowly.

glacial的反义词

    e.g. Change occurs at a glacial pace.
           变化极其缓慢。

4. （常指美女）冷若冰霜的，冰美人似的
    If you describe someone, usually a woman, as glacial, you mean they are very beautiful and elegant, but do not show their feelings.

    e.g. Her glacial beauty is magnetic.
           她冷若冰霜的美令人倾倒。

1. extremely cold

    e.g. an arctic climate
           a frigid day
           gelid waters of the North Atlantic
           glacial winds
           icy hands
           polar weather

    Synonym: arcticfrigidgelidicypolar

2. devoid of warmth and cordiality
    expressive of unfriendliness or disdain

    e.g. a frigid greeting
           got a frosty reception
           a frozen look on their faces
           a glacial handshake
           icy stare
           wintry smile

    Synonym: frigidfrostyfrozenicywintry

3. relating to or derived from a glacier

    e.g. glacial deposit