发【θ】、【au】、【əu】、【ɔi】音的单词（各要5个）
问题描述：
发【θ】、【au】、【əu】、【ɔi】音的单词（各要5个）
答
this, three, third, throw, bath
about, south, loud, shout, fault
cold, fold, gold, soul, know
boy, toy, soy, noisy, coin