tar-stained wool

例句：

1. 1.The old carpet was so tar-stained that it looked like it had been through a war.
   那旧地毯被染得如此严重，看起来就像经历过一场战争。
2. 2.She carefully washed the tar-stained wool to remove any stains.
   她小心翼翼地洗掉了染污的羊毛上的污渍。
3. 3.The farmer used tar-stained wool to make his clothes last longer.
   农民用染污的羊毛来制作衣服，使其更耐穿。