名詞 plankton:

1. the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water

1. Much to our surprise when the plankton entered the oyster tried very hard to expel the plankton. Within3-5 minutes, the movement of the heart became very abnormal and the oyster died at once.
   意想不到的是當(dāng)浮游生物進入蚌體時，珠蚌的排異性非常強，3到5分鐘之內(nèi)，蚌的心臟運動異常并很快死亡。
2. So we know this plankton is very dangerous.
   可見浮游生物是非常危險的。
3. Plankton that remains free-swimming through all stages of its life cycle.
   終生浮游生物一種在其生命的所有階段可自由游動的浮游生物

plank.ton

n.（名詞）
The collection of small or microscopic organisms, including algae and protozoans, that float or drift in great numbers in fresh or salt water, especially at or near the surface, and serve as food for fish and other larger organisms.
浮游生物：小生物或微生物的集合，包括大量生活在淡水或咸水中的水藻和原生動物，尤指在水表或靠近水面處，為魚類或其它大型生物體提供食物

來源：
German
德語
from Greek [neuter of] planktos [wandering]
源自 希臘語 [] planktos的中性 [游蕩]
from plazein [to turn aside] * see pl3k- 2
源自 plazein [閃開] *參見 pl3k- 2

【引伸】
plankton.ic