Extension of Dalian Science and Technology Co., Ltd.
Study JLPT vocabulary and grammar
Prepare for JLPT exams with structured study plans tailored to individual needs. Use spaced repetition to review vocabulary and grammar. Access a comprehensive grammar question bank and practice exams.
Calculate coffee powder-to-water ratio with precision. Estimate brew volume for accurate results. Use smart闷蒸 timer (Pro version). Support V60, French press, cold brew, and other methods. Maintain optimal proportions for consistent flavor.