2. The stimuli consisted of two pairs of speech sounds or phonemes, in this case Japanese
vowel sounds.
声音刺激包括两对语音声音或者音素,本试验使用的是日语元音。
3. Not only did types of
vowel sounds change, but some sounds simply disappeared from the general pronunciation of English.
不仅数种元音发生了变化,而且一些语音还从英语的整个发音体系中消失了。