在发送短信时，人们用kana，这是一种日本音标系统，由46个字母组成，可以比较平均地分布在手机的12个按键上。

For sending text messages, people use kana, the Japanese phonetic alphabet, which has just 46 characters that can be mapped fairly easily to the 12 keys on a mobile phone handset.

youdao

逻辑上，突破口在国际音标，在语音和语调。

Undoubtedly the crux lies in poor reading-aloud and logically the breakthrough lies in phonetic alphabets, pronunciation and intonation.

youdao

这些数据与上homework的音标周的结果不符。

These figures disagree with last week's results.

youdao

Oh, I got it so I can read it."

标上音标后我就能朗读它了“

麻省理工公开课 - 媒体、教育、市场课程节选