Usages of иностранец
Иностранец изучает русский язык.
The foreigner is studying Russian.
Я вижу иностранца.
I see the foreigner.
Иностранец внезапно заговорил по-русски.
The foreigner suddenly started speaking Russian.
Судя по акценту, оба брата — иностранцы.
Judging by the accent, both brothers are foreigners.
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