ds_ch2.png" sx=0 sy=1200></div>
	<div class="fcard_center" style="width: 200px; left: 170px; top: 20px;">
		有核的
		<span class="bonus_note">
		// 额外备注："eu"=好， "karyon"=核
		</span>
	</div>
</span>
<span id="flashcard_mitochondria_5_front">
	<div class="fcard_center" style="height:2.5em">
		原核细胞是...
	</div>
</span>
<span id="flashcard_mitochondria_5_back">
	<div class="fcard_bg" src="pics/fcards_ch2.png" sx=400 sy=1200></div>
	<div class="fcard_center" style="width: 200px; left: