Undulator
[电] 波纹印码机
🗣️ 情景例句
What has kept you so busy?
什么使你这么忙？
Come to see me tomorrow if it is convenient to you.
你如果方便的话，明天来看我。
Haley jumped up and cried, That was my ancestor.
哈利跳起来叫道，“那就是我的祖先。”