preform[ˈpri:ˈfɔ:m]

v.预先形成 n.粗加工的成品

• able
• abnormal
• abnormally
• aboard
• abolish
• abolition
• abortion
• about
• above
• abroad
• abrupt
• abruptly
• absence
• absent
• absolute
• absolutely
• absorb
• absorption
• abstract
• absurd
• abundance
• abundant
• abuse
• academic
• academy