Skymark
n. 显示在天空背景前的物体
🗣️ 情景例句
That took place right after the First World War, didn't it?
它就发生在第一次世界大战之后，是吗？
Jack of all trades is of no trade.
万事皆通，一无所长。
The book is protected by copyright.
该书受版权保护。