ত্রিভাগ
"পোকামাকড় (লাতিন" "কীটপতঙ্গ" "থেকে, গ্রিক" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "
একটা পোকার শরীরের কতগুলো অংশ থাকে?