Extender
[计] 扩展器, 延长器, 扩充部件\\n[化] 补充剂; 填料
🗣️ 情景例句
How's that again.
你再说一次？
Who is the greatest playwrighter of our times?
谁是当代最伟大的剧作家？
This is a good photograph.Who are these people?
这是一张很好的照片。这些人是谁。