TOEFL 核心詞彙

A 21-day filtering method for TOEFL vocabulary, built into a machine that actually runs it. Not another flashcard app. Accuracy is the whole point: every phonetic transcription is human-verified, and every recording is generated from those transcriptions by a neural voice engine — not your phone's robotic text-to-speech. Heteronyms are recorded separately for each sense, so a word never gets read the wrong way. WHAT'S INSIDE · 2,138 core words across 21 units — the backbone of the whole set, one unit a day · 131 familiar words with rare senses — the ones you "know" and still get wrong · 32 root and affix groups, 121 collocations, 916 topical terms across 21 fields · 2,196 defining words — the minimal vocabulary every gloss is written in · 185 high-scoring essays — full text, annotated, with per-paragraph audio HOW IT WORKS · The 21-day filter: sweep after sweep, drop what you know, keep…