Pathfinding
n. 领航, 寻找目标, 导航
🗣️ 情景例句
autograph copies for the guests at the opening?
在展览开幕时为客人在书上亲笔签名呢
Do we exist?
我们实际存在吗？
and mechanical systems like a wound watch, or the sun,
像上紧发条的手表那样的机械装置，或太阳，