
Consonant-9.Voiced consonants【z】
Mar 31, 2018 - 2:57
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发音 双唇紧闭 然后突然放开 气流突然外泄 声带震动 单词 bee bear bird bull busy ball black blue body banana beer boat book bring brother job pub web club disturb grab able about double remember number problem 句子 The bear drinks beer. Bring some b...