Impulse function
[电] 脉冲函数
🧩 词语组成解析
🗣️ 情景例句
was supposed to be made into a community center
原计划改成一个社区交谊中心
He who hath good health is young, and he is rich who owes nothing.
健康葆青春，无债即富有。
Yes, I'm afraid I do.I may come later.
是的，恐怕我必须做。我可以晚一点去。