Day I'd, day I'd, and it links together from the A diphthong of day, right into the I diphthong of I'd, and dd, the D isn't released, it's just dd, dd, dd, dd, made with the tongue up at the roof of the mouth, tip of the tongue at the roof of the mouth, and the vocal cords vibrating.
Day I'd,day I'd,它從 day 的 A 雙元音連接到 I'd 的 I 雙元音,dd,D 沒有鬆開,只是 dd、dd、dd、dd,用舌尖在口腔頂端發出,舌尖在口腔頂端,聲帶振動。