天火字典

英日字典：そこう

そこう

溯航

粗鉱

粗鋼

素行

遡航

遡行

溯航：

(n,vs)
going upstream
sailing against the current
粗鉱：

(n)
crude ore
粗鋼：

(n)
crude steel

(P)
素行：

(n)
behaviour
behavior
遡航：

(n,vs)
going upstream
sailing against the current
遡行：

(n,vs)
going upstream
sailing against the current

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