Precollagenous fibers
[医] 前胶原纤维
🧩 词语组成解析
n. 纤维（fiber的复数）
🗣️ 情景例句
Thank you.
谢谢你。
I'm Henry Lee. I am a system engineer for IBM.
我叫亨利.李，是IBM的一名系统工程师。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。