三々, 三三:

a type of military boat used between the Warring States Period and the Edo Era

(historical) a mountain checkpoint west of Kyoto, bordering the ancient provinces of Yamashiro and Omi

Shanhai Pass

Synonym of 関東 (Kantō): the area east of 逢坂の関 (Ōsaka-no-seki, “tollgate of Ōsaka-yama”) or the 函谷関 (Kankoku-kan, “Hangu Pass”)

the lock and key for a gate

to close and lock a gate

ルイボス茶: rooibos (tea)

rooibos (tea)

参加: participation / 酸化: oxidation, combustion / 惨禍: catastrophe, disaster / 傘下: subsidiary / 産科: obstetrics / 賛歌, 讃歌, 讚歌: song of praise, hymn, paean / 山家: mountain villa