Usages of o ar
O ar está fresco.
The air is fresh.
O ar está limpo.
The air is clean.
Para proteger o ambiente, precisamos de reduzir a poluição do ar.
To protect the environment, we need to reduce air pollution.
Ligaram o aquecedor da loja porque o ar ficou gelado.
They turned on the store's heater because the air became icy.
Eu deixo entrar ar fresco pela janela.
I let fresh air in through the window.
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