n. 1.〔诗〕床，卧榻。 2.躺椅，长沙发椅〔背部比沙发低〕。 3.休息处；(兽)窝，窟，巢穴。 4.【绘画】底子。 5.【酿造】麦芽床。 短语和例子 a studio couch坐卧两用沙发。 vt. 1.横躺着(身体)，使横卧〔常用被动〕。 2.挺着(枪)。 3.表述，暗含(真意)，暗示(要求等)。 4.【医学】除去白内障。 短语和例子 be couched on a bed of flowers 生活奢华。 couch one's refusal in polite terms 婉言拒绝。 vi. 1.躺，睡。 2.蹲着，弯着身子(作要跳的姿势)；埋伏。 3.(树叶等)堆积〔发酵，沤肥〕。 短语和例子 couch out by the tube成天泡在电视机(或录像机)前。 n. 【植物；植物学】＝couch grass. vt. 铲除麦斛。
a narrow bed on which a patient lies during psychiatric or psychoanalytic treatment
a flat coat of paint or varnish used by artists as a primer
an upholstered seat for more than one person 同义词：sofa, lounge,
formulate in a particular style or language; "I wouldn''t put it that way"; "She cast her request in very polite language" 同义词：frame, redact, cast, put,
A couch or sofa is a piece of furniture for seating two or more persons in the form of a bench, with or without armrests, that is partly or wholly upholstered, and often fitted with springs and tailored cushions. Although a couch is used primarily for seating, it may be used for reclining.
例句与用法
1.
Hookins made a speech couched in a happy vein . 霍金斯愉快地讲了话。
2.
Being tired out , he reclined on the couch . 他疲倦极了，横躺在沙发椅上。
3.
Wordlessly, she rises from the couch . 她一语不发，从长沙发椅上站了起来。
4.
This decision is couched in this forms . 该决议以这种形式表达。
5.
The signora rested safely on her couch . “夫人”很安稳地靠坐在长沙发椅上。
6.
The cards are in my purse over on the couch . 纸牌在那边长椅上我的手提包里。
7.
He was lying prone on the couch , fast asleep .. 他趴在长沙发椅上，睡得很熟。
8.
She was seated on the studio couch . 她坐在长沙发上。
9.
The reply was couched in somewhat unbusinesslike terms . 回信的措词有些不合商业常规。
10.
He sat on the couch and opened the package with the reel in it . 他坐在沙发上，打开装钓竿卷线器的包裹。
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