JLPT N1
本流
The main course of a river or the mainstream of a field
Readings
1 Noun
Main Stream (of a river)
Refers to the primary channel of a river system distinct from its tributaries.
Example
ボート で 川 の 本流 を 下っ た 。
We went down the main stream of the river by boat.
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2 Noun
Mainstream / Main Current
Denotes the dominant lineage, orthodox faction, or central trend within a social or academic field.
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