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With difficulty he released the mattress from the metal frame, and groped beneath it.
他费了很大劲把床垫从金属架上卸下来，然后在下面摸索一番。
《柯林斯英汉双解大词典》
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Without hesitation he released the rainy south wind and called upon the heartless Poseidon to help.
他毫不犹豫地释放了夹雨的南风，并召来冷酷无情的波塞冬协助他。
youdao
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He released the captured men.
他把捕获的人放走了。
《新英汉大辞典》
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He released the captured men.
他把捕获的人放走了。
《新英汉大辞典》