mineshaft

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++mine·shaft /ˈmaɪnʃɑːft $ -ʃæft/ noun [countable]  a deep narrow hole that goes into the ground to a mine 井筒；竖井

Examples from the Corpus

mineshaft• That did not prevent her from being thrown down a mineshaft to her death in 1918.

mine·shaft nounChineseSyllable  

deep into the ground a Corpus narrow hole that goes

mineshaft
mine‧shaft /ˈmaɪnʃɑːft $ -ʃæft/ noun [countable]
a deep narrow hole that goes into the ground to a mine

mine·shaftBrE /ˈmaɪnʃɑːft/ 🔊NAmE /ˈmaɪnʃæft/ 🔊 nouna deep narrow hole that goes down to a mine 井筒；竖井