Preowned
adj. 第二手的，旧的，二手的
🗣️ 情景例句
It's so calming.
好宁谧 。
I started school at the age of 6.
我六岁开始上学。
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，