Hah
int. 哈, 嘿
??? 情景例句
Yes, what can I do for you?
是的，我能為您效勞嗎？
The whole class is in a heated discussion.
全班同學正在熱烈討論。
Mary and lizzy are organizing a large medical conference.
瑪麗和莉齊正在組織一個大型的醫學會議。