| 短语 | lay something down |
| 释义 | lay something down 1. put something that one has been holding on the ground or another surface 放下： she finished her eclair and laid down her fork. 她吃完巧克力泡芙后把餐叉放下。 ■ give up the use or enjoyment of something 不再使用, 放弃： they renounced violence and laid down their arms. 他们声明弃绝暴力并放下了武器。 ■ sacrifice one's life in a noble cause （为高尚事业）献出（生命）： he laid down his life for his country. 他为祖国献出了生命。 2. formulate and enforce or insist on a rule or principle 制订并推行（或坚持）（规定, 原则）： stringent criteria have been laid down. 已经制订了严厉的标准。 3. set something in position for use on the ground or a surface 铺设： the floors were constructed by laying down precast concrete blocks. 地面是通过铺设预制混凝土块建成的。 ■ establish something in or on the ground （在地下或地面）建立, 建造： the ancient grid of streets was laid down by Roman planners. 这些纵横交错的古街道是罗马设计者建造的。 ■ begin to construct a ship or railway 开始建造（船, 铁路）。 ■ （一般作be laid down）build up a deposit of a substance 形成（物质沉积）： these cells lay down new bone tissue. 这些细胞沉积成新的骨组织。 4. store wine in a cellar 用酒窖贮藏（葡萄酒）。 5. pay or bet money 付款, 下赌注。 6. informal record a piece of music 〈非正式〉录制（音乐）： he was invited to the studio to lay down some backing vocals. 他被请到录音棚去录制一些伴奏声乐。 |
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