Chkdir
[计] 检查目录
🗣️ 情景例句
I can tell.
我能觉察到。
Do now waste them, but use them while they are fresh.
不要浪费了这些，要趁未落伍时善加利用。
We spent all our days on the beach.
我们有好几天都是在海滩上度过的。