2 sentences

1. 这棵古松的主干非常粗壮，需要两人合抱。

   zhè kē gǔ sōng de zhǔ​gàn fēi​cháng cū​zhuàng, xū​yào liǎng rén hé​bào.

   The main trunk of this ancient pine is very thick, requiring two people to encircle it.

   Source: Dong Chinese Dictionary

2. 河面上横着一根粗壮的杠，供人们踩着过河。

   hé​miàn shàng héng zhe yī gēn cū​zhuàng de gāng, gōng rén​men cǎi zhe guò​hé.

   A thick log lay across the river for people to step on to cross.

   Source: Dong Chinese Dictionary