gearbox /'^iәbɔks/ ★☆☆☆☆ 📖 中文释义 n. 变速箱[化] 齿轮箱; 变速箱 🧩 词形变化 复数 gearboxes 📘 English Definition(英文释义) n. the shell (metal casing) in which a train of gears is sealed ← gearan gearboxes →