sentry /'sentri/ ★☆☆☆☆托福英语词汇 📖 中文释义 n. 哨兵, 看守vt. 设岗哨vi. 站岗, 放哨 🔗 释义中的汉语词 哨兵看守站岗放哨 🧩 词形变化 复数 sentries 🔵 同义词scoutpicketwatchlookoutsentinel 📘 English Definition(英文释义) n a person employed to keep watch for some anticipated event ← sentron sentry box →