HSK 2
周
zhōu名（量）
to make a circuit; to circle; circle; circumference; lap; cycle; surname Zhou; Zhou Dynasty (1046–256 BC)
我在这里住了两周。
Wǒ zài zhèlǐ zhù le liǎng zhōu.
I have lived here for two weeks.
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Appears across levels (2（6）) in the HSK 3.0 word list.