Biharmonic equation
[计] 重调和方程, 双调和方程
🧩 词语组成解析
[计] 重调和的
🗣️ 情景例句
How do you do?
您好！
I would prefer if he comes here.
我倒愿意他去我们那里。
An even harder situation is to be on the platform in good time for a train and still to see it go off without you.
更难堪的情况是虽然及时赶到站台上，却眼睁睁地看着那趟火车启动，把你抛下。