

O avião passou por cima da nossa casa.
Veste uma camisola por cima, está frio.
Não ponhas nada por cima da caixa.
"por cima" is in the lesson "Adverbs 1" (Level 23), along with 15 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.