Stowboard
充填巷道
🗣️ 情景例句
I just took the wrong train.
只是我坐错了车。
Light troubles speak; great troubles are silent.
小困难，大声叫嚷；大困难，闷生不响。
We are trying to collect money for a wildlife project.
我们正在设法募集资金搞一个野生动物项目。