expander /ik'spændә/ 📖 中文释义 n. 扩展器, 扩管器[计] 扩展器; 扩大器 🧩 词形变化 复数 expanders 📘 English Definition(英文释义) n. Anything which causes expansion esp. (Mech.) a tool forstretching open or expanding a tube, etc. ← expanded-memory emulator E 字母词表 expanders →