unfrozen

基本解释

Siberia’s Lake Baikal is the deepest lake in the world—at over a mile (1, 700 meters)—and holds an incredible 20 percent of Earth’s unfrozen fresh water.
西伯利亚的贝加尔湖是世界上最深的湖——超过1,700米——令人难以置信地拥有地球上20%的不冻淡水。
Mr Hill, for example, has promised that the talks' agenda can include the frozen accounts, though the Macau authorities this week denied reports that some had already been unfrozen.
例如，希尔先生许诺，会谈的议程可以包括冻结的账户议题，但澳门的金融部门本周否认了部分朝鲜账户已被解冻的报道。
He did not say what this meant, but probably at least some of the North Korean funds will be deemed legitimate and unfrozen.
他没有明确此话的具体含义，但是可能至少会解冻并承认资金的合法性。

Professor Meier also says the possibility of ships being able to move through newly unfrozen parts of the Arctic could lead to losses of natural resources.

The ice has preserved many similar items, but the unfrozen life of these artifacts is short.
NPR: History Emerging from the Ice
It provides long and fertile planting seasons on large expanses of unfrozen land essential to feed 8 billion to 9 billion people around the world.
FORBES: Magazine Article
Captain America faded after the war and, after a brief revival to fight the communists, disappeared until he was unfrozen from a block of ice in 1964.
ECONOMIST: Just in time for the 4th of July

not having been frozen, or no longer frozen
(of money, bank accounts, etc.) available for use again after previously not being allowed or able to be used