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不要看文字，专注听节奏
第二步 · 揭示
点击翻转，看连读变形
?
STANDARD FORM → REDUCED FORM
if i had known →
if i'd known
/ɪf aɪd noʊn/
表示后悔或对过去假设情况的描述，意为“如果我当时就知道”。
在口语中，'had'中的'h'音甚至有时'a'元音常被省略，尤其是在代词或其他以元音结尾的词之后，将其简化为/d/音。这使得过去完成时听起来更短、更流畅。
第三步 · 语境
听例句，点击揭示文字
例句 1
If I'd known you were coming, I would have baked a cake.
点击揭示
例句 2
I wouldn't have gone if I'd known how crowded it would be.
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例句 3
She said if I'd known the answer, I should have told her.
点击揭示
第四步 · 录音
模仿发音，点击录音
if i'd known
/ɪf aɪd noʊn/
点击开始录音
第五步 · 对比
对比节奏与发音轮廓
📊 节奏相似、峰值接近 = 连读成功。重要的是长短节奏对上了。
第六步 · 自评
发音怎么样？
刚才练的
if i had known →
if i'd known