Acellular
a. 非细胞的,非细胞组成的
🗣️ 情景例句
What's the book about?
这些书写什么？
To scratch for fleas
因为跳蚤而抓痒
Ken gave up smoking two years ago. He'd been smoking for thirty years.
两年前肯戒了烟，之前他抽了三十年烟。