cold-smoking

例句：

1. 1.The cold air makes it hard for people to breathe.
   寒冷的空气使得人们难以呼吸。
2. 2.Many people enjoy cold-smoking in winter.
   许多人喜欢在冬天抽烟。
3. 3.Cold-smoking is a major cause of lung cancer.
   吸烟是肺癌的主要原因之一。