Extender
[计] 扩展器, 延长器, 扩充部件\\n[化] 补充剂; 填料
🗣️ 情景例句
Please sit down.
请坐下。
Thank you for your nice present.
谢谢你那么好的礼物。
And I advise you not to eat fruit that isn't ripe in future.
还有，我劝你今后不要吃不熟的水果。