它使小规模的农户每小时收获175磅的绿色蔬菜。
It enables small-scale farmers to harvest 175 pounds of green vegetables per hour.
它使农民每小时能收获175磅绿色蔬菜。
It enables farmers to harvest 175 pounds of green vegetables per hour.
在1700年,一位拥有踏板驱动的纺车的未婚的老女人可能需要200个小时才能生产出一磅纱线。
In 1700, a spinster with a pedal-driven spinning wheel might take 200 hours to produce a pound of yarn.
Sometimes they give you the speed in miles per hour, kilometers per year, pounds per square foot.
有时候速度的单位是英里/小时,千米/年,英磅/平方米
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