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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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膨張
noun
increase, growth
B2
increase, growth
ぼうちょう
B2Upper-Intermediate
As the temperature rises, the air inside expands.
Giant stars expand greatly in the later stages of their evolution.