humus soil

• 腐殖土

humus soil的用法和样例：

例句

1. When the humus has been formed, plants can grow well in it.
   一旦腐殖土形成，植物就可以在里面茂盛地生长了。
2. It takes hundreds of years to make humus,and so we ought to save every bit of it.
   腐殖土的形成需要几百年的时间，所以应当避免任何损失。