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INTERMEDIATE LEVEL
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3000TH:
ตรวจสอบ ☊ dtruaatL saawpL
investigate
3000TH:
สอบสวน ☊ saawpL suaanR
to investigate
3000TH:
ทดสอบ ☊ thohtH saawpL
to test, examine
3000TH:
สอบ ☊ saawpL
to take a test, be tested
like: สอบ → →