单词 jack off 例句 DEFINITIVE EXAMPLES 权威例句〔impact〕The impact of the blow knocked Jack off balance.这一记猛击把杰克打了个趔趄。牛津高阶〔jack off〕He jacked off before I noticed it.他在我没注意时溜掉了。21世纪英汉〔jack〕They would jack off if they...