[發音] dead dad letter ladder

[erthe4 (er)]

請問這幾個字發音的相異之處

尤其是ladder 跟 letter

這兩個字的d t音聽起來幾乎一樣

請問要怎麼正確分辨這幾個字?

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推 ranyea:母音不同
→ ranyea:http://www.pronuncian.com/materials/podcasts/Episode_61
→ ranyea:American t sound as a quick d sound
→ ranyea:flapping t
→ ranyea:Americans substitute a d sound for a t sound
→ ranyea:when the t sound follows a vowel or an r sound,
→ ranyea:nd comes before a vowel, r sound, schwa+r, or l sound.
→ ranyea:*and
推 ranyea:dad/ladder: short a; dead/letter: short e
→ ranyea:http://www.pronuncian.com/materials/podcasts/Episode_9.
→ sneak: nd comes be https://noxiv.com
→ sneak: nd comes be https://daxiv.com
→ sneak: when the t  https://noxiv.com
→ muxiv: flapping t http://yofuk.com