会話トレ Drill: 製造業 Manufacturing
抗菌性(の) (koukin-sei (no))、抗菌加工の (koukin-kakou no)
antibacterial
an antibacterial agent
抗菌剤
梃子の原理 (teko no genri)
the principle of leverage
use the principle of leverage
てこの原理を使う
an antibacterial agent
抗菌剤
use the principle of leverage
てこの原理を使う
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