khóa 
(1) school year, academic year, term; (2) to lock, fasten; lock [ khóa ] : (1) school year, academic year, term; (2) to lock, fasten; lock
Most Common Compounds Set 1:
khóa 
course chìa khóa key Most Common Compounds Set 2:
khóa chìa khóa Most Common Compounds Set 3 :
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| SV5000 |
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