4 sentences

1. 登山队的出发点设在山脚下。

   dēng​shān​duì de chū​fā​diǎn shè zài shān​jiǎo xià.

   The starting point for the climbing team was set at the foot of the mountain.

   Source: Dong Chinese Dictionary

2. 登山队决定在山脚下扎营休息。

   dēng​shān​duì jué​dìng zài shān​jiǎo xià zhā​yíng xiū​xi.

   The climbing team decided to pitch camp at the foot of the mountain to rest.

   Source: Dong Chinese Dictionary

3. 登山队在珠峰大本营修整了两天。

   dēng​shān​duì zài Zhū​fēng dà​běn​yíng xiū​zhěng le liǎng tiān.

   The climbing team rested at the Everest base camp for two days.

   Source: Dong Chinese Dictionary

4. 大雪封山，切断了登山队唯一的退路。

   dà​xuě fēng​shān, qiē​duàn le dēng​shān​duì wéi​yī de tuì​lù.

   The heavy snow blocked the mountains, cutting off the climbing team's only way back.

   Source: Dong Chinese Dictionary