Usages of ao
Ao usar um atalho de teclado, a Maria conseguiu mover o cursor sem tocar no rato.
By using a keyboard shortcut, Maria managed to move the cursor without touching the mouse.
Ao chegar ao mercado, eu compro pão e fruta.
When I arrive at the market, I buy bread and fruit.
Elon.io is an online learning platform
We have an entire course teaching Portuguese grammar and vocabulary.