frozen keys
冰冻的钥匙
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It contained an old piano, its keys frozen by time, and a lone desk in front of a chalkboard.
里面有一架旧钢琴，琴键都冻住了，黑板前面有一张桌子。
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Employee arrived late because his angry wife had frozen his truck keys in a glass of water in the freezer.
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