
好词典

源自现代拉丁语,由希腊语 'streptos'(扭曲的链) + 'kokkos'(浆果/颗粒)组合而成,形容其链状形态。
❶ 链球菌,一类呈链状排列的球形细菌,部分种类可导致人类疾病如咽喉炎、肺炎等。
“Streptococci are often found in the human respiratory tract.”
(链球菌常见于人类呼吸道中。)
“The doctor identified streptococci as the cause of the infection.”
(医生确认链球菌是这次感染的病因。)
group A streptococci — A组链球菌,特指一类能引发严重感染的链球菌,如猩红热或坏死性筋膜炎。
“Group A streptococci can cause strep throat and skin infections.”
(A组链球菌可能引发链球菌性喉炎和皮肤感染。)
beta-hemolytic streptococci — β-溶血性链球菌,在血琼脂培养基上能完全溶解红细胞的链球菌亚群。
“Beta-hemolytic streptococci are classified by their ability to break down red blood cells.”
(β-溶血性链球菌根据其分解红细胞的能力进行分类。)