单词：secondary colony
secondary colony的用法和样例：
例句
- Every specimen makes germiculture and bacterium colony computation.每份标本作细菌培养和菌落计数。
- And if the colony were inside something as large as a pebble, UV protection would be sharply increased.如果菌落藏身于卵石般大小的东西内部，紫外线防护效果就会显著增加。
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