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Lub tshuab nqus tsev twj

Yog tias koj tab tom nrhiav tshuaj lom neeg, biology, tshuaj, thiab zaub mov nqus twj los ntawm Tuam Tshoj lub tshuab nqus tsev twj, cov neeg muag khoom thiab lub Hoobkas, los yog xyuas lub tshuab nqus tsev twj thiab tsim nrog cov neeg muag khoom nyob rau hauv Suav teb, thov hu rau Tiv Thaiv Tiv Thaiv.
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