The Vietnamese word "phích" has a couple of distinct meanings, so it’s important to understand the context in which it is used.
Thermos Flask or Vacuum Flask: In this context, "phích" refers to a container that keeps liquids hot or cold for a long time. It is commonly used for drinks like tea, coffee, or water when you want to maintain their temperature.
Plug (Electricity): "Phích" can also mean a plug that connects an electrical device to a power source.
"Phích" is a versatile word in Vietnamese, primarily used to refer to a thermos flask for keeping liquids at the desired temperature, and also to an electrical plug that connects devices to power.