例句與造句

1. The spit was collected in a cup and analyzed for mutans streptococci, a virulent bacteria that causes tooth decay.
2. He has genetically modified the mutans streptococci bacteria, creating a harmless strain capable of vanquishing the variety that destroys teeth.
3. The bacteria that cause cavity formation _ mutans streptococci _ come as an unintended, but usually inevitable, gift from caring mothers.
4. Researchers from the University of Minnesota selected 151 patients with high levels of mutans streptococci, the bacteria that causes tooth decay.
5. Therefore, for clinical purposes they are often considered together as a group, called the "'mutans streptococci "'( plural, non-italic due to it being an informal group name ).
6. It's difficult to find mutans streptococci in a sentence. 用mutans streptococci造句挺難的