Orientability
可定向性
🗣️ 情景例句
Richard tells me you're a doctor.
Richard告诉我您是医生。
If things were to be done twice all would be wise.
事事倘能做两次，人人都可称明智。
Perhaps the most extraordinary building of the nineteeth century was the Crystal Palace, which was built in Hyde Park for the Great Exhibition of 1851.
19世纪最不寻常的建筑也许要数水晶宫了，它是为1851年的“世界博览会”而建在海德公园的。