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fill-in

/'fil,in/

📖 中文释义

  1. n. 代替者, 补充物, 情况介绍
  2. a. 临时填补的

🧩 词形变化

复数 fill-ins
📘 English Definition(英文释义)
  1. n someone who takes the place of another (as when things get dangerous or difficult)