From everyday American English to academic reading.
Study 11,100 word families and 4,200 real multiword expressions. Entries combine American spoken-frequency guidance, US IPA or device voice, part of speech, English explanation, Chinese meaning, family forms, and academic-vocabulary labels.
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US IPA is used when the pronunciation source contains the entry; every word and phrase can also be read by your browser’s American English voice. Frequency bands guide order, but a frequency rank is not a difficulty score. Mark an item mastered only when you can understand it in context and use it yourself.
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Counts are checked entries, not placeholder cards.
Word-family grouping follows the BNC/COCA family resource; American spoken priority uses SUBTLEX-US; academic labels use NAWL 1.2; US IPA comes from the open IPA dictionary; meanings and phrase entries come from ECDICT. A phrase must be a real multiword dictionary entry with a Chinese meaning—ordinary adjacent strings are excluded.
Sources and licenses
- Paul Nation's BNC/COCA vocabulary lists and the computer-readable family transcription — family grouping and attribution.
- SUBTLEX-US word frequencies — ISC; American subtitle frequency.
- NAWL 1.2 — CC BY-SA 4.0.
- ipa-dict — US IPA data; MIT-based source.
- ECDICT — MIT; English and Chinese meanings, parts of speech, and multiword entries.
- Google Books n-gram frequency lists — CC BY 3.0; phrase-order signal.