Confederating
v. 联合, 结盟（confederate的现在分词形式）
🗣️ 情景例句
When are they coming?
他们什么时候来？
It's a shame this restaurant is so expensive.
太遗憾了，这家餐馆太贵了。
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。