Okay, different nationalities will find pronouncing different phonemes harder than others.
好,同国家人会发现发出同素比其难。
When this study was replicated with 10-12-month-old babies, the Japanese babies could not tell the difference between these uniquely English phonemes, showing that a critical period for recognizing phonemes and brain development is at merely six months old.
当这项研究在10-12个月大婴儿身上重复进行时,日本婴儿无法区分这独特英语素之间区别,这表明识别素和大脑发育关键时期只有6个月大。