曾经是芦苇丛生的大片沼泽地已经变成了耕地。
Vast expanses of marsh that used to abound with reeds have been converted into arable land.
这些清澈、透明的山间小溪，在漫长的途中，流过芦苇和大片草地，有些已经带有毒瘴之气，而且变得微咸。
Beginning as clear, sparkling, mountain Brooks, some of these streams, by a long course through reed and grass-grown tracts, become miasmatic and brackish.
应用推荐