cross-contam·in·ation
noun/ˌkrɒs kənˌtæmɪˈneɪʃn/
/ˌkrɔːs kənˌtæmɪˈneɪʃn/
[uncountable]- the process by which harmful bacteria spread from one substance to another
（病菌的）交叉污染 - Always cover raw food to prevent cross-contamination.
始终盖住生食以防止交叉污染。
- Always cover raw food to prevent cross-contamination.