绳钻

carded file───卡片档；卡片目录（等于cardcatalog）

fire drill───消防演习；逃逸等应急措施演习

power drill───机械钻；动力钻机

wooded hill───山林

close-order drill───关闭命令演习

close-order drills───关闭命令演习

air drill───气钻；风钻

• corded electric chainsaw
• corded headphones
• corded drill