ブラック・ボックス
Meanings
Noun
Aviation
1. black box; flight recorder
2. black box (system or device with hidden internal workings)
Used inUsed in %
Anime0(0%)
Live action0(0%)
Visual novels0(0%)
Novels1(0%)
Non-fiction2(1%)
Web novels0(0%)
Aozora Bunko0(0%)

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Cover of Korekara no Kyouyou Gekihen Suru Sekai wo Ikinuku Tame no Chi no 11Kou
Book (non-fiction)
Korekara no Kyouyou Gekihen Suru Sekai wo Ikinuku Tame no Chi no 11Kou
Used times1
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Cover of Yagate Kanashiki Gaikokugo
Book (non-fiction)
Yagate Kanashiki Gaikokugo
Used times1
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