名词
中文翻译：冰楔
同义词：
['ice spear', 'ice axe']
例句：
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1.The ice wedge was used to break through the frozen layer.
冰楔被用来打破冰冻层。
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2.The ice wedge was sharp enough to cut through the thickest ice.
冰楔足够锋利，能够切开最厚的冰。
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3.The team used the ice wedge to clear a path for their boat.
队伍使用冰楔为他们的船开辟了道路。