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He stood on the sidewalk with his hands buried in the pockets of his dark overcoat.
他站在人行道上,双手插在黑色外套的口袋里。
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石英镀膜的光学器件可以防止环境对光学器件的损害,并且清洁时不破坏光学件的反射率.
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The engineer was working on the freezer when he was overcome by gas.
工程师在修理冰柜时被煤气熏倒了。
朗文当代高级英语词典 第6版