| 单词 | pistons |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔cornet〕Abbr. cor.Music A wind instrument of the trumpet class, having three valves operated by pistons.缩写 cor.【音乐】 短号：号类的一种管乐器，有三个用活塞控制的栓塞美国传统〔cough〕Without a cough in warning, the pistons simply stopped.活塞连噗的一声征兆也未发出就这么停了。英汉大词典〔friction〕The pistons are graphite coated to reduce friction.活塞上涂了一层石墨以减小摩擦。外研社新世纪〔friction〕The pistons are graphite-coated to reduce friction.活塞上涂了一层石墨以减小摩擦力。柯林斯高阶〔overhaul〕The pistons no longer fitted and a complete overhaul was needed.活塞不合适了, 需要进行一次全面的大修。外研社新世纪〔reciprocating engine〕An engine in which the crankshaft is turned by pistons moving up and down in a cylinder.往复式发动机：一种发动机，其曲轴是由圆筒形机体里的活塞上来运动来推动的美国传统 |
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