Eigenmode
本征模
🗣️ 情景例句
Here are our catalogues, brochures, price lists.
这儿有目录、小册子、价格表。
This isn't a laughing matter.
这种事是不能开玩笑的！
She usually wears that round her middle when she goes out.
她外出时总是把它系在腰上。