Only when the train's speed and pitch changed did the windowpane become silent.

只有当火车的速度和距离改变了，窗玻璃才静止下来。

youdao

Only when the train's speed and pitch changed did the windowpane become silent.

只有当火车的速度和距离改变了，窗玻璃才静止下来。

youdao