appendage
n
thing that is added to, or that forms a natural part of, sth larger 附加物; 附属物; 组成部分
The elephant's trunk is a unique form of appendage. 象的鼻子是一种独特的附肢.
🗣️ 情景例句
Yes, sir.
是的 ,先生。
She's going to be 15 next month.
下个月她就满15了。
Number 13 buses run much more frequently, don't they?