词典释义：
a continuous period of being seated, especially when engaged in a particular activity
（尤指从事某特定活动时）连续坐着的一段时间
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the joint was eaten at one sitting .坐着一口气就吃完了那一大块肉。
a period of time spent as a model for an artist or photographer
被画像（或照相）的一段时间。
a scheduled period of time when a group of people are served a meal, especially in a restaurant
（尤指餐厅）一批人的开饭时间
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there will be two sittings for Christmas lunch .圣诞午餐分两次时间供应。
a period of time during which a committee or parliament is engaged in its normal business
（委员会，议会）正常开会的一段时间。
【律】 〈英〉 开庭时间
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a special sitting of Basildon magistrates .巴西尔登地方官的一次特殊的开庭。
denoting a person who has sat down or the position of such a person
坐着的；坐姿的
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a sitting position .一种坐姿。
(of an animal or bird)not running or flying
（动物）蹲着的；（鸟）停落的。
(of an MP or other elected representative)current; present
（下院议员或其他当选代表）现任的；在任期内的
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the resignation of the sitting member .该现任成员的辞呈。
(of a hen or other bird)settled on eggs for the purpose of incubating them
（母鸡，鸟）孵蛋的，伏窝的。
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sit down 坐下
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sit back 坐下来(休息/不采取行动)
真题例句：
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sit + 介词 + 名词/代词 坐在某处
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sit up 坐直
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sit together 坐在一起
真题例句：
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sit sb + 副词/介词 让某人坐在...
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