Tesla's current
[医] 忒斯拉氏电流, 高频电流
🧩 词语组成解析
🗣️ 情景例句
My wife Marilyn, my father and mother,
我太太Marilyn， 我父亲和母亲，
He was at a loss for words.
他不知道该说什么好。
At that time he had two helpers.
那时他有两个帮手。