核

hé variant of 核[he2]; to investigate

hé pit; stone; nucleus; nuclear; to examine; to check; to verify

废水

fèi shuǐ waste water; drain water; effluent

十

shí ten; 10

大

dà big; huge; large; major; great; wide; deep; older (than); oldest; eldest; greatly; very much; (dialect) father; father's elder or younger brother

dài see 大夫[dai4 fu5]

变异

biàn yì variation

生物

shēng wù organism; living creature; life form; biological; CL:個|个[ge4]

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