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

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