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suspension system (of a vehicle); undercarriage
area around one's feet; footwear
スポーツカーの足回りを強化した。
I upgraded the sports car's suspension system.
この車の足回りは固い。
This car has a stiff suspension.
冬の走行後は足回りの点検が必要です。
After driving in winter, the undercarriage needs inspection.