drop-offs 📖 中文释义 (drop-off 的复数) n. 下降, 减少 🔗 释义中的汉语词 🧩 词形变化 原形 drop-off 📘 English Definition(英文释义) plural of drop-offn a noticeable deterioration in performance or qualityn a steep high face of rockn a change downward ← drop-off charge D 字母词表 drop-out →