Mathematical pendulum
[化] 数学摆
🧩 词语组成解析
🗣️ 情景例句
About three weeks. We'll have enough time for our talks.
大约三个礼拜，我们有足够的时间交谈了。
He who makes constant complaint gets little compassion.
经常诉苦抱怨，难以博得同情。
Not at all.
不用谢。