Helitron
[电] 电子螺旋管
🗣️ 情景例句
It's OK, lady. Take your time.
没关系， 太太。慢慢来。
I'll have studied English for four years next March.
到明年三月，我就学了四年的英语了。[将来完成时，表示将完成…，会做完…]
Harry used to consider it a great joke to go into expensive cosmetic shops and make outrageous requests for goods that do not exist.
哈里曾认为走进一家名贵化妆品商店，荒唐地提出要买一种根本不存在的商品是件开心的事儿。