In 1935 elvis presley was born in tupelo mississippi .

艾维斯普莱斯利1935年出生在密西西比州图珀洛。

I suspect that probably half of the rain fall evaporates back into the air before it gets down the mississippi .

雨水在下落的过程中发生了许多事，我估计大概有一半的雨水在流入密西西比河之前就又蒸发回大气了。

How big is the mississippi watershed ?

密西西比河流域有多大？

And the mississippi basin isn 't the only region at risk .

密西西比盆地并不是唯一一个濒临水患的地区。

Mississippi alone had 54 black mayors .

单密西西比一个州就拥有54位黑人市长。