The name Nebraska comes from a native Omaha word for 'flat water, ' referring to the state's Platte River.

内布拉斯加州的名字是由奥马哈土著语“平川之水”得来的，指的是这个州的普拉特河。

A faint ripple stirred the flat waters of Walter's self-satisfaction.

一丝微弱的涟漪激起了沃尔特自我满足的平静水域。

So, when reflecting off of flat water, the reflected ray becomes partially, horizontally polarized.

因此，当从平坦的水面反射时， 反射光线会变成部分水平偏振。

45.the drain pipes to be installed from the boiler flat and hot water well flat to bilge well for leading the waste oil water.

排放阀应装在从锅炉底和热水井底到污水井用于导废油废水。