roundworm (ascaris lumbricoides)
roundworm (ascaris lumbricoides)
roundworm (ascaris lumbricoides)
roundworm (ascaris lumbricoides)
图片内容是:roundworm
roundworm
奇奇怪怪的冷知识# 世界上的危险动物的真相:蛔虫(ascaris roundworm)
elegans, a type of roundworm, to study immunology. (unews.utah.
鞭虫(trichuris trichiura)是教育显微镜下的一种寄生蠕虫(roundworm)
【the finals】哇啊啊啊啊啊!好大一坨!