[Contents] 1 CD + booklet
[Recording pattern] Heading English (Natural Speed)
Only 560 English headings (consisting of 2569 headings) are read out at natural speed without pausing.
The total time is approximately 60 minutes (3647 seconds), so it is an efficient CD that can check one word every 1.4 seconds by simple calculation.
In addition, a palm-sized (50g) booklet listing English and Japanese translations of headings is included as an appendix, making it easy to carry.
1,600 important words and 1,000 important idioms in modern English, inspired by Japan's "Iroha Uta"
Condensed into 560 English sentences without duplication.
Even if you combine words without duplication, there is no point if the English sentence is unnatural and clumsy.
All DUO3.0 headings in English are
Completed with 15 native speakers including 3 American university professors
``English sentences worth memorizing.''
countryoforigin: Japan