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
- head towards
- head tower
- head to wind
- head track
- head trackman
- head traction
- head traction band
- head trauma
- Head Trauma,Closed
- Head Trauma,Penetrating
- Head Traumas
- Head Traumas,Closed
- Head Traumas,Penetrating
- head traumatic syndrome
- head traverse of radial drilling machine
- headtree
- head tree
- head tremor
- head trim
- head trimming
- head trip
- headtrip
- head-trip
- head trips
- head truss hoop