Determining the hemisphere is easy: latitude zones a, C, d, e, F, g, h, J, K, l, and m are in the Southern hemisphere, and the rest are in the Northern hemisphere.

这种确定非常简单：纬度区a、C、D、E、F、G、H、J、K、L和m位于南半球，而其余区位于北半球。

youdao

Why didn't they keep right on going with G, H, I, J, K, L, M, N, O, P?

为什么他们不接着写下去呢,按照字母表

耶鲁公开课 - 聆听音乐课程节选