Precolumn
前置柱
🗣️ 情景例句
Right now, we should clean up this room.
现在， 我们应当清理一下房间。
Thank you but this is something I have to solve by myself.
但有些事情我必须自己解决。
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。