Biorthogonal
双正交的
🗣️ 情景例句
Yes, it is right.
对，是正确的。
That house is for sale. It has central heating.
此房出售，房子里有供暖设备。
If we spend all the money we'll try and win the football pools again.
如果我们花光了所有钱，我们设法在足球赛赌注上再赢一次。