logging clearing

例句：

1. 1.
   林业
2. 2.
   采矿业
3. 3.
   农业
4. 1. The logging company has been cutting down trees in the forest.
   这家林业公司一直在森林中砍树。
5. 2. The miners are clearing the land for new mines.
   矿工们正在为新的矿井清除土地。
6. 3.The farmer is harvesting his crops now.
   这位农民现在正在收割他的庄稼。