knap
v.tr.(及物动词)knapped,knap.ping,knaps To break or chip (stone) with sharp blows, as in shaping flint or obsidian into tools.敲碎:用重击来撞碎或凿碎(石头),如把燧石或黑曜岩石制成工具Chiefly British 【多用于英国】 To strike sharply; rap.叩击:急剧撞击;叩击To snap at or bite.咬,啃
来源:Middle English knappen 中古英语 knappen [probably of imitative origin] [可能源于拟声词]
【引伸】
knap.per
n.(名词)