man-day rate 中文意思是什麼
man-day rate
解釋
每人每日費用-
If a 170 - pound man expended energy at the rate of the hummingbird, he would have to eat 285 pounds of hamburger or twice his weight in potatoes each day in order to maintain his weight
一個重為一百七十磅的人如果像紅頸蜂雀那樣消耗能量的話,他必須每天吃285磅的漢堡包或兩倍於他體重的土豆方可保持他的體重。
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