X Factor
freq. 16
dict. 5
cmpt. 1
spoken 4
n.X 因素（尤指获得成功所必需又难以描述的素质）
[网络]英国偶像；未知因素；未知元素
- UROPELTIDAE
- Uropen
- uropenia
- uropepsin
- uropepsinogen
- uroperitoneum
- Uroperitonitis
- urophaein
- urophages
- urophagia
- urophan
- urophanic
- urophasianus
- urophasianuss
- urophein
- Urophenyl
- Uropherin
- uropherine
- uropherine benzoate
- uropherine salicylate
- urophile
- urophiles
- urophilia
- urophlyctis leproides(trabut)magn.
- urophlyctis trifolii(passerini)magnus