Ehh
abbr. 食管裂孔疝（esophageal hiatal hernia）；高压对光栅行幅（场幅）的影响
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
We enjoyed ourselves very much.
我们玩的很开心。
The best time to come to China is in spring or autumn.
到中国来，最好的时间是在春天或者秋天。