🧩 词语组成解析
n. 〔动〕瓢虫
[医]蝶铰部（软体动物）
🗣️ 情景例句
It's good, but it's a little expensive.
很好，不过价格有一点贵。
It's about an hour.
大概要一个小时。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。