Epidemiology
n. 傳染病學, 流行病學\\n[醫(yī)] 流行病學
??? 情景例句
OK.
好。
His friend was filled with joy over the good news.
他的朋友因得知這個好消息而雀躍。
As a result, the fish just eat and eat and grow and grow in the lovely warm water.
結果是，這些魚就在可愛的溫暖的水流中吃呀吃，長呀長。