Piadc
[医][=Plum Island Animal Disease Center]普拉姆岛动物疾病中心
🗣️ 情景例句
Are you free?
您有空吗？
Opportunity only knocks once.
机不可失，时不再来。
As the parents had five children, life was a perpetual struggle against poverty.
家里已有5个孩子，全家人常年在贫困中挣扎。