Servoamplifier
[电] 伺服放大器
🗣️ 情景例句
My wife Marilyn, my father and mother,
我太太Marilyn， 我父亲和母亲，
Would you be so kind as to lend me some money?
你能借我一点儿钱吗？
easily obtainable from the lunar rocks in the form of liquid oxygen.
从月球上的岩石中很容易提炼出液态氧，