?? 詞語組成解析
penicillin
[,p?n?'s?l?n]
n. 青霉素，盤尼西林;
potassium
[[p?'t?si?m]]
n. 鉀\\n[化] 鉀K
??? 情景例句
Well, there are Dragon Boat Festival, Mid-autumn Festival, Chung Yeung Festival and so on.
嗯，還有端午節、中秋節、重陽節等等。
I ate oranges for breakfast yesterday.
我昨天早飯吃的是桔子。
Good morning, Mr. Wang!
王先生，早上好！