Transtrojans
[天]脫羅央群外小行星
??? 情景例句
After he eats!
等他吃飽了！
When will he come to see you?
他什么時候來看你？
it would be up and down, to and for and from side to side.
呈現出上上下下、來來回回、左左右右3種性質的運動。