How do you use "多久" in a sentence?

Here's an example: "你来中国多久了？"

What does "多久" mean in English?

"多久" means "how long / how often" in English. It is a adverb in Chinese.

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Name: Language Island
Author: SwiftSpark, LLC

Dwoh jyo

adverb

English

how long / how often

Practice "多久" with spaced repetition and native audio in the Language Island app.