They began by using the wire to scratch away the cement around a concrete block in the adjoining wall between their two cells, B310 and B311.是什么意思_They began by using the wire to scratch away the cement around a concrete block in the adjoining wall between their two cells, B310 and B311.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句