18.The logic was appealing, but unfortunately no one knew how much salt was in the sea or by how much it increased every year, which rendered the experiment impracticable.
这个逻辑很吸引
, 但不幸的是, 没有
知道海里有多少盐, 或者每年增加多少盐, 这使得实验变得不切实际。机翻
「A Short History of Nearly Everything」评价该例句:好评差评指正