Undulators
(undulator 的复数) [电] 波纹印码机
🗣️ 情景例句
Please drive carefully.
请小心开车。
What did you ask him?
你问他什么？
Nuts? Delicious! This is the nicest of all!
有果仁？味道很好！这是所有月饼中最好的！