N1
JLPT
—
strokes
#2831
frequency
Not started
Mastered counts as known everywhere (frontier, map, extension) but never appears in the quiz again. New wipes the review history for this item.
例文 · examples
河川は豪雨で氾濫しました。
The rivers were flooded by the heavy rain.
河川の盆地には普通肥沃な農地がある。
The basin of a river usually has rich farmland.
日本の多くの河川は工場の廃液で汚染されている。
Many rivers in Japan are polluted by waste water from factories.