🧩 词语组成解析
penicillin
[,pɛnɪ'sɪlɪn]
n. 青霉素，盘尼西林;
🗣️ 情景例句
we would like to have our investments returned as early and safely as possible.
我们总想尽早而又安全地收回我们的投资。
I wonder how many girl friends he's got.
我不知道他有多少女朋友。
My old friend, Harrison, had lived in the Mediterranean for many years before he returned to England.
我的老朋友哈里森在回到英国以前曾多年居住在地中海地区。