Coprostene
粪（甾）烯
🗣️ 情景例句
Thanks for your information and for being so helpful.
谢谢你的帮助和提供的讯息。
Tell me about you trouble.
把你的烦恼告诉我。
Bones were carved into needles and tools, and the teeth were used to make necklaces.
骨头则雕琢成针和工具，牙齿用来作项链。