Gravitron
气体放电管
🗣️ 情景例句
I have to remember to put them in the bag
我必须记得将它们放进袋子里
No. I've been in California for the past month.
没有，我刚到加利福尼亚去了一个月。
I have been trying to get my new room in order.
我试图把我的新房间收拾整齐，