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
Oh, there's nothing wrong, Michelle.
噢 ，没什么， Michelle。
He came to give us a talk yesterday.
他昨天给我们作了一次演讲。
Look! What does that boat look like?
瞧！那艘船看起来像什么呀？