2 sentences

1. 公司的股价已经跌到了历史谷底。

   gōng​sī de gǔ​jià yǐ​jīng diē dào le lì​shǐ gǔ​dǐ.

   The company's stock price has hit an all-time low.

   Source: Dong Chinese Dictionary

2. 探险队沿着陡峭的山坡下降到了谷底。

   tàn​xiǎn​duì yán​zhe dǒu​qiào de shān​pō xià​jiàng dào le gǔ​dǐ.

   The expedition descended to the valley floor along the steep slope.

   Source: Dong Chinese Dictionary