Breakdown of Lo malo es que vemos muchas algas en el mar.
ser
to be
malo
bad
mucho
a lot
en
in / on / by (means of transport) / about (after pensar)
ver
to see; to watch (TV, a film)
que
that (relative pronoun, conjunction)
el mar
the sea
lo
the … thing (neuter article before an adjective)
el alga
the seaweed (f)
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