Servomagnet
伺服电磁铁
🗣️ 情景例句
Stone is still in the hospital, but he's making good progress.
世通还在医院，但他的身体康复得很快。
He insisted that we all be in his office at one o'clock.
他要求大家一点钟到他的办公室。[大学英语四级]
There we are!It's a lovely vase.
这只漂亮的花瓶。