Alpha streptococcus
[医] 甲型链球菌
🧩 词语组成解析
alpha
['ælfə]
n. 希腊字母的第一个字母;
n. 链球菌\\n[医] 链球菌属
🗣️ 情景例句
People are busy shopping and wrapping presents for relatives and friends before Christmas Eve.
在圣诞节前夜，人们忙着为亲朋好友买东西、包礼物。
We've been married for 2 years.
我们结婚两年了。
It's about20,000 kilometres.
大约有20，000公里。