单词	坑穴
释义	坑穴 hole
随便看	deadhead mileage deadhead passenger deadhead pressure deadhead resistance dead hours dead hours of the night deadhouse dead house deadhouses deadi deadicated dead ice dead ice moraine deadheads dead-heads deadhead speed for dispatch deadhead speed for passenger deadhead, sweep wood deadhead time for dispatch deadhead time for passenger deadhead train dead-head train dead heart deadhearted dead-hearted