英语语法分析

A new system allows a combine harvester, say, to send a call over to a tractor-trailer so the driver can unload the grain as and when necessary.

例如，一种新的系统允许联合收割机向牵引拖车发送呼叫，以便司机可以在必要的时候卸载谷物。

With labour one of their biggest costs—42 percent of production expenses on U.S. farms, on average—they started using a mechanical harvester adapted from a machine used by wine makers.

由于劳动力成本是他们最大的成本之一——平均占美国农场生产费用的42%——他们开始使用一种由酿酒商使用的机器改装而成的机械收割机。

What a marvelous carving! "the starving harvester in vest said."

“好一件神奇的雕刻！ ”挨饿的穿着背心的收割者说。