Undulators
(undulator 的复数) [电] 波纹印码机
🗣️ 情景例句
The traffic's bumper to bumper, it must be rush hour.
车一辆接着一辆，现在肯定是交通高峰期。
I wish you the best of health.
祝您健康。
Thanks. That's very kind.
谢谢，那太好了。