1. 名詞
   下沈
   凹陷, 降低
   /以上可為可數與不可數名詞/
   /複數為"sinkings"/
   限定不可數名詞:
   虛脫感, 衰頹感
   償還債務
   ...(人)'s heart is sinking:
   ...好心痛
   ...心都涼了
   

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2. 動詞
   sink現在分詞:
   不及物動詞:
   下沈, 沈沒
   (太陽、月亮等)落下
   (地面)陷落
   (水面)低落
   (聲音、風、火勢等)減弱
   價值、數量等數據: 下跌, 下降
   人疲倦地: 坐下, 倒下
   人等: 衰微, 衰退|衰弱, 消沉|墮落
   

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   同義字詞
   atrophy,crumble,decay,decline,degenerate,descend,deteriorate,devolve,ebb,regress,retrograde,rot,worsen
   crash,decline,descend,dip,dive,drop,fall,lower,nose-dive,plummet,plunge,skid,tumble
   dematerialize,disappear,dissolve,evanesce,evaporate,fade,flee,fly,melt,vanish
   attenuate,break,cheapen,depreciate,depress,devaluate,devalue,downgrade,lower,mark down,reduce,write down,write off
   abase,chasten,cheapen,debase,degrade,demean,discredit,disgrace,dishonor,foul,humble,humiliate,lower,shame,smirch,take down
   decline,descend,dip,drop,fall,plunge
   decay,droop,emaciate,fade,fail,flag,go,lag,languish,sag,waste (away),weaken,wilt,wither
   

3. 形容詞
   like rats leaving a sinking ship/
   like rats deserting a sinking ship/
   like rats from a sinking ship:
   如不能共患難的人似的
   

例句

1. I could see it sinking in.
2. The opposite of a sinking stream.
3. A sinking feeling arose in my throat.
4. He takes great pleasure in sinking shiips.
5. Rats leaving a sinking ship; she felt sick.
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