Yellow rain is caused by pine tree pollen according to investigation of many years in Changsha.

根据对长沙黄雨的多年观测，确定黄雨是松树花粉所致。

On the aft deck, the crew huddled together in rain slickers and gazed across the heaving seas to a yellow blur on the horizon.

船尾甲板上，船员纷纷披着雨衣，目光穿过波涛汹涌的海面，盯着远处地平线上浮出水面的一个模糊的黄色物体的影子。

That species would spend its days looking up at the sky, rain or shine and then as darkness came on would fold its white petals over its yellow center and settle down for the night.

那种花整日仰望天空，不论风雨； 当夜晚降临，它收起白色花瓣，覆盖住黄色的花蕊过夜。

But Ilaug grabbed his iPad and cell phone, and donned a bright-yellow jacket, a red helmet and red water-shoes to protect himself from the driving rain.

但Ilaug还是拿起了他的iPad和手机。他穿上淡黄色的夹克，戴上红色的头盔，为了防止下雨，他还穿上了一双红色的雨鞋。

Allegedly, yellow, green and black rain has also been patronized Kerala region.

据称，黄色、绿色和黑色的雨水也曾经光顾过喀拉拉邦地区。