Penicillin bt
[化] 青霉素BT; 丁硫甲青霉素
🧩 词语组成解析
penicillin
[,pɛnɪ'sɪlɪn]
n. 青霉素，盘尼西林;
abbr. 英国电信（British Telecom）
🗣️ 情景例句
No. That's about all.
没有。大概就是这些。
I took out my pen.
我拿出了我的笔。
You are walking too fast. I can't keep up with you.
你走得太快，我跟不上。