At each step, the wombat may have two choices to make (while still using the shortest route) : move down or move right.

在每一步中，袋熊可能作出两种选择(同时仍然使用最短路线)：向下或向右。

youdao

At each step, the wombat may have two choices to make (while still using the shortest route) : move down or move right.

在每一步中，袋熊可能作出两种选择(同时仍然使用最短路线)：向下或向右。

youdao