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N-PLURAL
眼镜
Someone's specs are their glasses.
例句
...a young businessman in his specs and suit.
一个戴眼镜、穿西装的年轻商务人士
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N-COUNT
(尤指机器、车辆的)规格，配置
The spec for something, especially a machine or vehicle, is its design and the features included in it.
例句
The standard spec includes stainless steel holding tanks.
标准配置里包含了不锈钢储液罐。
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PHRASE
碰运气
If you do something on spec, you do it hoping to get something that you want, but without being asked or without being certain to get it.
例句
When searching for a job Adrian favours networking and writing letters on spec.
找工作的时候，阿德里安喜欢通过上网和写信去碰运气。