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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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レーザー
noun
laser
B1
- 「誘導放出を用いた光の増幅」の頭字語
- コヒーレント光の強力な単色ビーム作り出す光学装置。
laser
レーザー
B1Intermediate
The doctor treated the affected area with a laser.