单词	be sullen
释义	请查阅词条：sullen
随便看	uncleansed unclear uncleared unclearly unclearly unclearness unclearness unclearnesses uncleavable uncleaved uncleft unclement unclench unclenched unclenches unclenching unclergyable unclerical unclerklike unclerkly uncles Uncle Sam uncleship Uncle Tom uncle tom cobleigh and all 为什么人要呼吸为什么人要打呵欠为什么人要打喷嚏为什么人要换牙为什么人要有骨骼为什么人要睡觉为什么人要结婚？为什么人走路时手脚左右交错摆动为什么人躲不过电磁辐射为什么人造卫星在太空不会随意翻滚 Bohrbild Bohrbock Bohrbogen Bohrbüchse Bohrbüchsenarm Bohrbügel Bohrdrehbank Bohrdruck Bohrdurchmesser Bohreinsatz