| 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 |
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