Pappus
n. 冠毛\\n[医] 软毛, 柔毛, 胎毛, 冠毛(植物)
🗣️ 情景例句
Terrific!
好极了！
Youth means limitless possibilities.
年轻意味着无限希望。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，