Slipcase
n. 书套
✅ 同义词
🗣️ 情景例句
Susan called early this morning. Susan
一大早打电话来。
If you dance you must pay the fiddler.
要想寻欢作乐，代价非付不可。
This machine joins the metal pieces together, he said.
“这台机器把金属片焊接起来，”他说