Ibd
离子束穿孔；炎症性肠病
🗣️ 情景例句
Right.
好的。
Why are all those toys broken?
那些玩具为什么统统坏了？
It's Jim. He's in that tree. He can't get down. Can you help him?
是吉姆，他在树上，下不来了，你能帮他吗？