বিষাদগ্রস্ত
"পোকামাকড় (লাতিন" "কীটপতঙ্গ" "থেকে, গ্রিক" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "" "
পোকামাকড়ের কী ধরনের কঙ্কাল থাকে?