Eigentransformation
本征变换; 特征变换
🗣️ 情景例句
I couldn't wait.
我迫不及待啦。
I just dropped in to say goodbye.
我只是来告别的。
It was necessary, therefore, to invent instruments that neither slumbered nor slept.
因此，有必要发明一种仪器，既不打盹儿，也不睡觉。