couch, sofa

名詞 couch:

1. an upholstered seat for more than one person
   同義詞：sofa, lounge
2. a flat coat of paint or varnish used by artists as a primer
3. a narrow bed on which a patient lies during psychiatric or psychoanalytic treatment

動詞 couch:

1. formulate in a particular style or language
   同義詞：frame, redact, cast, put

1. A couch performs a double service.
   躺椅可以(坐臥)兩用。
2. An enclosed or curtained couch mounted on shafts and used to carry a single passenger.
   轎架于轅上四周封閉或掛有簾子的睡椅，用于承載單獨(dú)一個乘客
3. Dad is sleeping on the couch.
   爸爸在長椅上睡覺。
4. His black leather couch looks expensive.
   他的黑色皮沙發(fā)看上去很昂貴。

couch

n.（名詞）

A sofa.
沙發(fā)：沙發(fā)
A sofa on which a patient lies while undergoing psychoanalysis or psychiatric treatment.
長榻，躺椅：病人躺在上面進(jìn)行心理分析或精神病治療的一種沙發(fā)

The frame or floor on which grain, usually barley, is spread in malting.
麥芽床：框架或地板，在上面播撒谷物以使其發(fā)芽，通常是大麥
A layer of grain, usually barley, spread to germinate.
一層麥粒：播撒在麥芽床上來使之發(fā)芽的一層麥粒，通常是大麥
A priming coat of paint or varnish used in artistic painting.
涂底，涂層：用于藝術(shù)繪畫中的涂底漆的畫布或畫板
v.（動詞）
couched,couch.ing,couch.es
v.tr.（及物動詞）
To word in a certain manner; phrase:
措辭：以某種方式表達(dá)；措辭：
例句：
couched their protests in diplomatic language.
以外交辭令來表達(dá)他們的抗議

To cause (oneself) to lie down, as for rest.
使躺臥：使（自己）躺下，如為了休息
To embroider by laying thread flat on a surface and fastening it by stitches at regular intervals.
刺繡：在表面上平著縫線并在規(guī)律間隔用針角固定來刺繡
To spread (grain) on a couch to germinate, as in malting.
播撒谷物使發(fā)芽：在麥芽床上播撒（谷物）以使之發(fā)芽，例如釀酒時
To lower (a spear, for example) to horizontal position, as for an attack.
平握：象準(zhǔn)備攻擊時放低（如矛）到水平位置
v.intr.（不及物動詞）
To lie down; recline, as for rest.
躺臥：躺下；斜倚，例如休息時
To lie in ambush or concealment; lurk.
隱蔽，埋伏：潛伏或隱蔽時躺下；埋伏
To be in a heap or pile, as leaves for decomposition or fermentation.
使成堆：成堆或團(tuán)，例如樹葉堆積起來分解或發(fā)酵

來源：
Middle English couche
中古英語 couche
from Old French
源自 古法語
from couchier [to lay down, lie down]
源自 couchier [放下，躺下]
from Latin colloc3re * see collocate
源自 拉丁語 colloc3re *參見 collocate

【引伸】
couch.er
n.（名詞）