| 单词 | 减少摩擦 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔friction〕Oil in a car engine reduces/lessens friction.汽车发动机中的油减少摩擦力。韦氏高阶〔friction〕Oil reduces friction.润滑油减少摩擦力。英汉大词典〔lubricant〕A substance, such as grease or oil, that reduces friction when applied as a surface coating to moving parts.润滑剂：一种象油脂或汽油的物质，被擦在运动部分表面时可减少摩擦美国传统 |
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