Helitron
[电] 电子螺旋管
🗣️ 情景例句
I wish Robbie and Alexandra had come to this meeting.
我真希望Robbie和Alexandra已经来参加开会。
He reads a book every day.
他每天都读一本书。
My aunt, Mrs flower, died three weeks ago.
我的伯母弗劳尔夫人3周前去世。