好词典

streptococci

UK //ˌstrɛptə(ʊ)ˈkɒkʌɪ//US //ˌstrɛptəˈkɑkaɪ//

词源

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。

noun

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。)

同义词:streptococcus bacteria, chain-forming cocci

常见短语

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。)