straightener

• 用于将某物（如头发或金属）弄直的器具。

A device used to make something straight, such as hair or metal.

1. Hair styling toolA2informal

   A device used to straighten curly or wavy hair by applying heat.

   直发器

   • She used a straightener to make her hair smooth.
   • He bought a new ceramic straightener for his hair.
   • The straightener damaged her hair because it was too hot.

2. General straightening deviceB2formal

   Any tool or device designed to make something straight, such as metal or wire.

   矫直机

   • The mechanic used a straightener to fix the bent rod.
   • A wire straightener is essential for precise electrical work.
   • The straightener helped align the metal frame perfectly.