Smoking had become an addiction.

英 美
  • 烟卷可是已吸上了瘾。
  • addiction n.沉溺;上瘾
  • an art.(用在元音音素前)一
  • become v.变成;成为;变得;适合(某人);使(人)显得漂亮
  • had v.有;吃;得到(动词have的过去式和过去分词)aux.已经(用于过去完成时和过去完成进行时)
  • smoking adj.抽烟的;熏制的n.吸烟;吸烟区动词smoke的现在分词.