Dacryocyst
泪囊
🗣️ 情景例句
He was ill at ease with people whom he didn't understand.
他和不熟悉的人在一起感到不自在。
Tell me, is it a boy?
喂，你是男孩吗？
What will be the population of these countries by the end of the twentieth century?
到20世界末较发达国家的人口将是多少？