https://github.com/flyerhzm/chinese_pinyin
irb> system("echo #{Pinyin.t('广州',tonemarks:true)} ; say -v Ting-ting 广州")
guǎng zhōu
https://github.com/flyerhzm/chinese_pinyin
irb> system("echo #{Pinyin.t('广州',tonemarks:true)} ; say -v Ting-ting 广州")
guǎng zhōu