Papillary ducts
[医] 乳头管
🧩 词语组成解析
a. 乳头的, 乳突的\\n[医] 乳头的, 乳头状的
n. 通风管道；管道（duct的复数）
🗣️ 情景例句
Oh, Susan, thank you so much
噢 ，Susan ，谢谢你。
He has been working in advertising for ten years, but now he is teaching.
他曾经在广告公司服务十年，但现在在当老师。
But which language is the most widely spoken in the world?
但是世界上哪种语言运用最广泛？