greenhouse
US /ˈɡriːn.haʊs/
UK /ˈɡriːn.haʊs/

1.
estufa
a glass building in which plants are grown that need protection from cold weather
:
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The gardener spent hours tending to the plants in the greenhouse.
O jardineiro passou horas cuidando das plantas na estufa.
•
We're planning to build a new greenhouse in the backyard.
Estamos planejando construir uma nova estufa no quintal.