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Lesson 1: Say who you are
You will learn to introduce yourself and say who someone is.
A1 · 21 steps · about 20 min
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Next: Emerald Round · Recognize Japanese Meanings · 10 words
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不可欠
adjective
indispensable, essential
B2
indispensable, essential
ふかけつ
B2Upper-Intermediate
Regular inspections are essential for safe operation.
Water is a substance essential to life.