| 1. | The optimum density is difficult to specify in terms of trees per acre .
很难定论究竟每英亩多少株树为最适密度。 |
| 2. | This property is under the market by20dollars an acre
这地产每英亩低于市价20美元。 |
| 3. | This property is under the market by 20 dollars an acre
这地产每英亩低于市价20美元。 |
| 4. | He said , " six thousand an acre . how much money do you have ?
他说：每英亩六千美元，你有多少钱呢？ |
| 5. | By 1820 , the minimum purchase was reduced to 80 acres and the price per acre to $ 1 . 25
到了1820年，土地最低出售面积减至80英亩，最低售价则降至每英亩1 . 25美元。 |
| 6. | In many european countries ( the soil of which possesses the same natural fertility as that of england ) the yield at present does not exceed fourfold
有许多欧洲国家，它们土地的肥沃并不亚于英国，但农作物每英亩产量的增加还不到四倍。 |
| 7. | 1867 alaska was acquired by america from russia for 7 . 2 million dollars - the 375 million acres worked out at less than 2cents an acre , including all rights
美国以720万美元买得俄国的阿拉斯加，总面积3 , 75亿英亩，每英亩折合不到2美分，并且还包括一切权利。 |
| 8. | In the middle ages the yield of wheat of an acre of land in england was fourfold , to - day it is ten to twenty fold , and in addition to that five times more land is cultivated
英国小麦每英亩的产量，在中世纪时已比前增加到四倍，现在已增加到十倍至二十倍，此外耕地面积也已扩大到五倍以上。 |
| 9. | Hand - picked fruit harvested at 6 tonnes a hectare is destemmed ( 90 % ) , but not crushed , and tipped into open - top fermenters that hold about 4 tonnes of fruit . 10 % of whole berries and stems are added to the fermentation to give augment complexity and structure
手工采收果实，每英亩约为6公吨的产量，不压榨仅去梗后放入开口式发酵桶，但其中有10 %不去梗，以增添复杂度并加强酒体。 |
| 10. | One authority on spiders made a census of the spiders in a grass field in the south of england , and he estimated that there were more than 2 , 250 , 000 in one acre ; that is something like 6 , 000 , 000 spiders of different kinds on a football pitch
一位研究蜘蛛的权威对英国南部一块草坪上的蜘蛛做了一项统计，他估计每英亩草坪里有蜘蛛2 ， 250 ， 000只以上，即相当于一个足球场上约有6 ， 000 ， 000只不同种类的蜘蛛。 |
