Definition: someone who works in a mine Level: C1
他是一名煤矿工人。
He works as a coal ___miner.
矿工们举行罢工，要求更好的安全措施。
The ___miners went on strike to demand better safety measures.
矿工是一份具有挑战性且往往危险的职业。
Being a ___miner is a challenging and often dangerous profession.
