Learn English with comprehensive lessons covering all four books. Practice vocabulary with detailed explanations. Listen to audio lessons for improved listening skills. Watch video explanations for grammar and expressions.
by 长江 蔡★ 4.844 ratingsReferenceFreeData updated 2026-09-08
Look up and to words with detailed meanings and example sentences. Search for phrases and idioms. Includes grammar explanations and daily usage examples. Supports offline use.
Shanghai Youqianhua Information Technology Co., Ltd.
Learn words with spaced repetition scheduling
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