Metaldehyde
n. [化]聚乙醛, 四聚乙醛
🗣️ 情景例句
Take care, and have a nice flight.
请保重！祝你一路顺风！
One scabbed sheep will mar a whole flock.
一羊生癣，群羊受害。
What's it made of?
它是用什么做的？