Biorthogonal
双正交的
🗣️ 情景例句
A red sky at night indicates fine weather the following day.
晚上天边红预示着明早天气好。
I worked at the hardware store this afternoon.
我今天下午在五金行工作。
We'll send a man right out to look at it.
我们马上会派个人去查看。