Orthocode
[计] 垂向码, 正交码
🗣️ 情景例句
What books are required for this class?
这课需要什么样的书？
It is easy to open a shop but hard to keep it always open.
开设店铺易，维持常开难。
In towns that are near the sea, the tiny lanterns which had been hung in the streets the night before, are placed into the water when the festival is over.
在靠海的城镇中，头天夜里挂在大街小巷的小灯笼在节后就放在了水里。