Pcss
n. 光电导半导体开关
🗣️ 情景例句
We've only been here for a day,
我们到这里仅仅一天，
Things done cannot be undone.
木已成舟。
In response to renewed pleadings, Bruce stopped.
我们再次央求布鲁斯小心，他这才把车停了下来。