河谷 hégǔ river valley Definitions Defs Origin Strokes Stroke Words Sentences Sents 1 sentence 他深深地吸了一口烟,然后把烟雾吐向河谷。 tā shēnshēn de xī le yīkǒu yān, ránhòu bǎ yānwù tǔ xiàng hégǔ. He took a deep drag on the cigarette, then blew the smoke towards the valley. Source: UM-Corpus: Education