Arching
[机] 拱作用, 架拱
✅ 同义词
🔴 反义词
🗣️ 情景例句
You go ahead with the formalities. I'll see to the heavy luggage.
您先去办手续，我来帮您照看大件行李。
You had better leave right now.
现在你最好立刻回去。
Thank goodness!
谢天谢地！