“防烟”例句

单词 防烟 例句 DEFINITIVE EXAMPLES 权威例句〔keep back〕He kept back the smoke by covering gaps in the doors and air vents.他遮住门的缝隙和通风口以防烟雾进屋。外研社新世纪〔smokeproof〕They need to wear smokeproof clothing.他们需要穿防烟服。外研社新世纪...