She first saw the salt formations in October.

她第一次看到盐层是在10月份。

Researchers expect the rare salt formations to be gone by February.

研究人员预计这种罕见的盐层将在2月份消失。

The salt formations are appearing now in part because water levels at the large natural lake have lowered.

这些盐层的形成部分是因为大型天然湖泊的水位下降了。

" It has to be exposed to just the right conditions, " park official Allison Thompson told the Associated Press. She first saw the salt formations in October.

官员艾莉森·汤普森告诉美联社：" 这一水体必须暴露在合适的环境中（才会形成）。" 她第一次看到盐岩是在10月份。