Englishfor English speakers
in
Preposition
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Used to show that something is inside something else.
The cat is in the box.
—
Used to show that someone is at home, or is available.
Is John in?
The Doctor is now in.
—
Used to show movement towards the inside.
The rain came in through the window.
Thailand
Proper noun
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A country in south-east Asia. Its full name is "Kingdom of Thailand" and its capital is Bangkok. Thailand used to be called "Siam".
We went on a trip to Thailand.