Even today, half of China's wheat comes from the Yellow River floodplain.

甚至今日，中国小麦产量，一半来自黄河平原。

They flew over floodplains in small aircraft to reach their locations.

他们乘坐小型飞机飞越平原，到达他们的外景拍摄地。

The world's largest floodplain normally fills with water during the rainy season, which lasts from November to April.

世界上最大的平原，也就是从11月到次年4月，一般都是充满水。

Houses built since 2009 will also not be covered (28,000 were planned to be built on floodplains in 2011 alone).

也不包括建于2009年后的房子（仅2011年平原区就计划修建28000间房子）。

Generally, the regions most vulnerable to this type of flooding are the low-lying ones without the historic wetlands and floodplains that would have absorbed the water.

一般来说，最容易受到这类洪水影响的地区是那些没有历史湿地和平原的低洼地区，这些湿地和平原本来可以吸收洪水。