pond life
noun [ U ] (also pondlife) uk/ˈpɒnd ˌlaɪf/ us/ˈpɑːnd ˌlaɪf/
池塘中的动植物
plants and animals that live in a small area of water
If ice did not float, pond life would not survive the winter. 如果冰不是漂浮在水面上的话，池塘的动植物将无法度过冬天。
UK informal (also mainly US pond scum)蠢人（用以指你完全没有敬意或毫不喜欢的人）
people that you do not respect or like at all
These racist football fans are pond life. 这些种族主义球迷实在是些十足的蠢货。