Spherics
n. 球面幾何學, 球面三角學
??? 情景例句
I am looking forward to seeing you.
我正盼望能見到你
If Grade A is not available, Grade B will do.
如果一等品無貨，二等品也可以。
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世紀最不尋常的建筑也許要數水晶宮了，它是為1851年的“世界博覽會”而建在海德公園的。