Forwardtracking
正向追踪
🗣️ 情景例句
Where's Robbie? Robbie
在哪儿？
What is happening up there?
上面发生什么事情？
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。