1. The fisherman cast his line upstream to catch the biggest fish.
(Para pemancing melemparkan joran mereka hulu untuk menangkap ikan terbesar.)

2. The pollution from the factory flowed upstream, affecting the water quality for miles.
(Pencemaran dari pabrik mengalir hulu, memengaruhi kualitas air hingga berjam-jam perjalanan.)

3. We hiked upstream along the river to reach the hidden waterfall.
(Kami mendaki hulu sepanjang sungai untuk mencapai air terjun tersembunyi.)

4. The kayakers paddled upstream against the strong current.
(Para pembalap kayak mendayung hulu melawan arus yang kuat.)

5. The villagers built a dam upstream to control flooding during the rainy season.
(Warga desa membangun bendungan hulu untuk mengendalikan banjir selama musim hujan.)

6. The scientists studied the migration patterns of the salmon as they swam upstream to spawn.
(Ilmuwan mempelajari pola migrasi salmon saat mereka berenang hulu untuk bertelur.)