汝係毋係知道“dual-purpose”仰般發音？
dual-purpose還無任何發音:

• 幫dual-purpose錄製發音 dual-purpose   [en - uk]
• 幫dual-purpose錄製發音 dual-purpose   [en - usa]
• 幫dual-purpose錄製發音 dual-purpose   [en - other]