When the dog takes one step toward the stick, mark and reward the the step (making sure these two events do not happen at the same instant).

当狗向棒子走一步的时候，标记并奖励这一步（确保这两件事没有同时发生）。

youdao

When the dog takes one step toward the stick, mark and reward the the step (making sure these two events do not happen at the same instant).

当狗向棒子走一步的时候，标记并奖励这一步（确保这两件事没有同时发生）。

youdao