HSK 7–9 · noun · Practice
杠杆
lever; leverage
他用一根铁棍当杠杆，把石头推开了。
Tā yòng yì gēn tiě gùn dāng gànggǎn， bǎ shítou tuī kāile。
He used an iron bar as a lever to push the stone away.
HSK 7–9 · noun · Practice
lever; leverage
他用一根铁棍当杠杆，把石头推开了。
Tā yòng yì gēn tiě gùn dāng gànggǎn， bǎ shítou tuī kāile。
He used an iron bar as a lever to push the stone away.