1) chisel
[英]['tʃɪzl] [美]['tʃɪzḷ]
鑿
2) bore
[英][bɔ:(r)] [美][bɔr]
鑽鑿
3) Mole
[英][məʊl] [美][mol]
隧道鑽鑿機、全徑隧道機