〖pricker〗礦工用的，尤指開採頭頂上部煤層用的尖頭鋼釺16.戳破chuōp...
, pricker, sticker, spikelet3...
or leaf同義詞：spine, thorn, pricker...
凹痕或印記15.戳煤釺 chuōméiqiān 〖pricker〗礦工用...
