Extender
[计] 扩展器, 延长器, 扩充部件\\n[化] 补充剂; 填料
🗣️ 情景例句
Frank, you can learn as we go.
Frank，我们玩， 你跟着学。
The story Sam told wasn't very funny.
萨姆的故事一点意思也沒有。
Didn't you see the speed limit?
难道你没看见限速牌吗？