Its using realm become bigger and bigger, from I/C engines of civil grass cutter to driving power of naval ships.

从民用割草机的内燃引擎到海军舰船的驱动力，其使用范围越来越大。

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All morning you could hear the rattle of the machine as it went round and round, while the tall grass fell down behind the cutter bar in long green swathes.

整个上午你都能听到割草机发出轰鸣声，在田地里绕来绕去，那些高高的草在它后面倒成一条长长的绿色通道。

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One, Three teeth, nylon grass cutter.

一齿，三齿，尼龙打草器。

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