1. 山腹：mountainous 多山的 | mountainside 山腹 | mountaintop 山顶

2. 山坡：COUNTRYSIDE 乡村 | MOUNTAINSIDE 山坡 | SUBURBS 市郊

3. 山腰：mountainside 山腹 | mountainside 山腰 | mountainstream 涧

4. 山腹,山坡,山腰：mountainous,多山,巨大,如山 | mountainside,山腹,山坡,山腰 | mountaintop,山顶

1. 山坡;山腹
A mountainside is one of the steep sides of a mountain.

e.g. The couple trudged up the dark mountainside.
这对夫妇在黑黝黝的山坡上艰难跋涉。

noun

1. the side or slope of a mountain

e.g. conifer forests cover the eastern versant

Synonym: versant