Oscillography
[电] 示波法
🗣️ 情景例句
Well, I'm involved with an organization,
嗯 ，我参加一个组织
Every day of thy life is a leaf in thy history.
生命中的一天就是你历史上的一页。
and it is only in the seas and rivers, and sometimes lakes, where mud and sit have been continuously deposited,
所以只有在泥沙不停淤积的海洋和江河里，有时在湖泊里，