Usages of satu
Teman saya berjaya berenang sejauh satu kilometer tanpa berhenti.
My friend successfully swims one kilometre without stopping.
Semalam, saya baca satu buku sejarah.
Yesterday, I read one history book.
Saya akan hantar laporan kepada bos dalam masa satu jam.
I will send the report to the boss within an hour.
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We have an entire course teaching Malay grammar and vocabulary.