Smoking a cigarette 中文意思

Smoking a cigarette 中文意思 cigarette smoking是什么意思 英语句子结构分析 he stood there smoking a cigarette Cigarette smoking is a major factor contributing to cancer. What brother is smoking is not a cigarette,but loneliness! Someone caught the boy smoking a cigarette.（改被动） Cigarette smoking is a major factor____to cancer.   ing分词表伴随 需要逗号分开么.如he sat there smoking a cigarette还是 he sat eHeaIth-cigarette什么意思 cigarette什么意思 cigarette的意思 CIGARETTE SMOKING IS DANGEROUS TO YOUR HEALTH是什么意思