wasdrom is a compound noun:
Afrikaans very often writes compound nouns as one word, just like Dutch and German often do.
Depending on context, wasdrom can refer to:
The exact meaning depends on the context you are given.
Afrikaans in can cover both English in and into.
The verb and the context show whether the meaning is:
Here, beland already gives the idea of movement or result, so in die wasdrom can naturally mean in the wash drum or into the wash drum, depending on how the sentence is being translated.
This is a normal Afrikaans main clause.
Afrikaans is a verb-second language, which means the finite verb normally comes in the second position in a main clause.
So the structure is very natural: