arch

on Mastery level

also on

• Basic words (BNC)?

弓形,拱门, 使成弓形,使成弧形,拱起

• arch

  arch

  (noun)

  弓形,拱门
• arch

  arch

  (verb)

  使成弓形,使成弧形,拱起

Forms

noun	verb
arch	arch