Vocabulary
鉄壁
てっぺき
vocabulary vocab word
iron wall
impregnable fortress
impregnable
invulnerable
unassailable
cast-iron
鉄壁 鉄壁 てっぺき iron wall, impregnable fortress, impregnable, invulnerable, unassailable, cast-iron
Meaning
iron wall impregnable fortress impregnable
Practice Writing
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