die Lake
brine
A liquid made of water, salt, and often spices, used to preserve foods such as cucumbers, herring, or olives and to give them flavor.
Die Oliven schwimmen in einer salzigen Lake.
The olives are floating in a salty brine.

brine / puddle
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brine
A liquid made of water, salt, and often spices, used to preserve foods such as cucumbers, herring, or olives and to give them flavor.
Die Oliven schwimmen in einer salzigen Lake.
The olives are floating in a salty brine.

'Die Lake' is not a large lake. The English word 'lake' means 'der See' in German. 'Die Lake' (brine) is a salt solution used to preserve food.
Die Gurken müssen zwei Wochen in der Lake ziehen.
The cucumbers need to soak in the brine for two weeks.
You can easily recognize the meaning from the topic. If it is about cooking, food, or preserving, it means the salt solution. If it is about weather, roads, or dirt, it means the puddle.
Die Heringe liegen in einer gewürzten Lake.
The herring are lying in a seasoned brine.
In the context of food, 'Lake' (brine) is often used with the verb 'einlegen' (to pickle/preserve). Vegetables or fish are placed in brine to preserve them.
Für Feta wird der Käse in eine salzige Lake eingelegt.
For feta, the cheese is placed in a salty brine.
The meaning 'Pfütze' (puddle) for 'Lake' is not standard German, but is used only in certain regions and colloquially. It usually describes a larger, dirty accumulation of water.
Pass auf, da ist eine riesige Lake auf dem Parkplatz!
Watch out, there’s a huge puddle in the parking lot!
brine
'die Lake' and 'die Sole' are both salty liquids. For that reason, they can be confused especially when talking about food. 'Lake' is often used when foods are sitting in a salty liquid, for example cucumbers, herring, or olives. The 'Lake' can also contain spices and add flavor. 'Sole' is meant more generally as a saltwater solution and sounds more technical. You find the word, for example, in 'Solebäder' (brine baths), in de-icing roads, or also in preservation. Practically speaking: with pickled foods, 'Lake' is often more natural; for therapeutic baths, technical contexts, or highly concentrated saltwater, 'Sole' is more likely.

Die Oliven bleiben in der Lake frisch und schmecken würziger.
The olives stay fresh in the brine and taste more flavorful.
Im Winter wird auf der Straße Sole gegen Eis gesprüht.
In winter, brine is sprayed on the road to fight ice.