ice·bound /-ˌbaʊnd/
(a.)冰封的,被冰封凍著的
Ice·bound a. Totally surrounded with ice, so as to be incapable of advancing; as, an icebound vessel; also, surrounded by or fringed with ice so as to hinder easy access; as, an icebound coast.
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icebound
adj : locked in by ice; "icebound harbors"