1. 名詞
   不可數名詞: 扭傷, 拉傷
   (用篩子等的)過濾
   

   同義字詞
   pressure,stress,tension
   ancestry,birth,blood,bloodline,breeding,descent,extraction,family tree,genealogy,line,lineage,origin,parentage,pedigree,stock
   air,lay,melody,song,tune,warble
   ace,bit,crumb,dab,dram,driblet,glimmer,hint,lick,little,mite,nip,ounce,particle,peanuts,ray,scintilla,scruple,shade,shadow,shred,smack,smidgen,smidgeon,snap,spark,spatter,speck,splash,spot,sprinkling,streak,suspicion,tad,touch,trace
   breed,class,description,feather,genre,ilk,kind,like,manner,nature,order,sort,species,stripe,type,variety
   

2. 動詞
   strain現在分詞:
   不及物動詞:
   盡力, 使勁
   用力, 出力
   竭力
   緊拖, 緊拉
   及物動詞:
   扭傷...(身體部位、肌肉、主詞自己等)
   拉傷...(身體部位、肌肉、主詞自己等)
   拉緊...(物)
   

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   同義字詞
   pull,rack,stretch,wrench
   filter,screen
   bang away,dig (away),drudge,endeavor,grub,hump,hustle,labor,moil,peg (away),plod,plow,plug,slave,slog,strive,struggle,sweat,toil,travail,tug,work
   bleed,exude,ooze,percolate,seep,sweat,weep
   stretch,tax,test,try
   stretch,tauten,tense,tighten
   bear-hug,clasp,crush,embrace,enclasp,enfold,grasp,hug
   

例句

1. He was straining to be off.
2. He stood tensed, straining his ears.
3. I could hear its engine straining , snarling.
4. There is no set purpose, no straining at a point.
5. Myeloski snapped at her, a dog straining at its lead.
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