Cohn's solution
[医] 孔恩氏溶液(培养酵母菌)
🧩 词语组成解析
🗣️ 情景例句
Lacks confidence and poise is nervous and ill at ease.
信心不足，不够自信，精神紧张，心神不定。
Does your computer have a modem?
你的电脑有调制解调器吗？
Not yet.
还没。