Sierozem
n. [地]灰钙土
🗣️ 情景例句
Go to work. Good-bye.
去工作吧。再见。
I told him to come in and rest for a while.
我告诉他进来休息一下。
But the historian attempting to reconstruct the distant past is always faced with a difficult task.
但是，历史学家企图重现遥远的过去可是一项艰巨的任务，