Ibd
离子束穿孔；炎症性肠病
🗣️ 情景例句
He married a classmate from high school.
他与高中时代的同班同学结婚。
Thank you for showing me the way.
谢谢你告诉我怎么走。
He never has anything to do.
他从来都是无事可做，