- 释义：
- n.安静；肃静；平静；朴素
- 例句：
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These cars are remarkable for the quietness of their engines.
这些汽车因发动机没有噪音而不同凡响。
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After the quietness of home and school, university had been almost frightening.
过惯了家庭和中学的平静生活之后，大学简直有些可怕了。
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I prefer quietness to noise.
我喜欢安静,不喜欢吵闹.
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