Mc concentration
[医] 生长密度浓度(细菌)
🧩 词语组成解析
国会议员, 典礼官, 司仪, 医疗队\\n[计] 机器周期, 磁卡片, 主脉冲, 主控制
🗣️ 情景例句
You really must have your wits about your when dealing with such people.
跟这类人打交道，你必须格外警觉。
I was born on November first,nineteen thirty-five.
我是一九三五年十一月一号。
What happened before printing was invented?
印刷术发明以前是怎么一回事？