下井 [
xià jǐng]
descend the well
- 安全官员们说,要给弥漫着甲烷这种致命气体的矿井通风至少96小时,救援人员才能安全下井搜救。
Safety officials said it would take at least 96 hours to ventilate the mine of deadly methane gas to make it safe for search crews to enter.
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