Here are some examples of how it's used:
* Ang lambak ay puno ng mga bulaklak. (The valley is full of flowers.)
* Nakatira sila sa isang lambak na malapit sa bundok. (They live in a valley near the mountain.)
There are other terms you can use depending on the context, like:
* Libis - This is more common in literature and poetry, and can also refer to a depression in the ground.
* Kapatagan - This refers to a flat valley or plain.
Ultimately, the best translation depends on the specific meaning you're trying to convey.