slipway turn cradle

例句：

1. 1.The slipway is used for loading and unloading ships.
   滑道用于装卸船只。
2. 2.The ramp was designed to make it easier for people to climb up.
   斜坡是为了让人们更容易爬上去而设计的。
3. 3. The ramp leads to the main road.
   斜坡通向主路。