add-ons 📖 中文释义 (add-on 的复数) [经] 比例附加, 比例运价 🧩 词形变化 原形 add-on 📘 English Definition(英文释义) plural of add-onn a component that is added to something to improve itn a supplementary component that improves capability ← add-one operation A 字母词表 add-subtract time →