n.地下室,地下走廊[通道],地下储藏室
He's touring South America at this moment in time.
他此刻正在南美旅游观光。
I think your South American youth has prejudiced you.
我认为你在南美度过的青少年时代让你产生了偏见。
South Africa was going through a period of irreversible change.
南非正在经历一场不可逆转的变革。