Undulator
[电] 波纹印码机
🗣️ 情景例句
It's not the same, Richard.
那是不一样的， Richard。
Troubles never come singly.
祸不单行。
But so far, the public has expressed its gratitude to the students in letters to the Press.
但到目前为止，公众已经向新闻界写信表达他们对学生们的感激之情了。