放射虫

radiolarian (single-celled animal)

to put / to place / to release / to free / to let go / to let out / to set off (fireworks)

old variant of 射[she4]

to shoot / to launch / to allude to / radio- (chemistry)

variant of 蟲|虫[chong2]

lower form of animal life, including insects, insect larvae, worms and similar creatures / CL:條|条[tiao2],隻|只[zhi1] / (fig.) person with a particular undesirable characteristic

to radiate / radioactive