Interhalogen
卤间化合物
🗣️ 情景例句
And I also have a little surprise for you, Robbie.
我也有一个小小的惊喜给你，Robbie。
Can I go now?
可以走了吗？
Early next morning, she heard planes passing overhead and wondered how she could send a signal.
第二天一大早，她听到头顶上有飞机飞过，但不知道怎样才能发个信号。