companion hatchway

• 升降口

companion hatchway的用法和样例：

例句

1. It was reached by a spiral staircase which terminated in the corner of the room at a square hole like the hatchway of a ship.
   厅的角上有个方洞，正如轮船上的升降口，楼下的人，从一道螺旋式楼梯经过这方洞，到达楼上。