Rectigon
热离子二极管
🗣️ 情景例句
I wish I could go there with you, Grandpa.
我真希望我能够跟你一起去， 爷爷。
Hold on.
等一会儿。
He had been the first to turn a telescope to the sky,
他是第一个把望远镜对准天空的人，