gram-positive strain的用法和樣例：
例句
- Spectinomycin is a broad spectrum antibiotic, which has an effect of being against gram negative and gram positive bacterium.
大觀黴素是一種廣譜抗生素，對革蘭氏陰性和革蘭氏陽性菌均有抗菌作用。 - Conclusions It is a new antibacterial peptide, has significantly broad antimicrobial activity, and display inhibition against Gram negative bacilli, positive coccus and C.albicans.
結論本文得到的抗菌肽是一個新型抗菌肽，有廣譜抗菌活性，對革蘭陰性菌和革蘭陽性菌均有一定的抑制作用。
