Dch
[医][=delayed cutaneous hypersensitivity]迟发型皮肤过敏（反应）
🗣️ 情景例句
As far as possible, the teacher should expose the student to real life situations.
教师应该尽可能使学生接触现实生活的情景。
It's very cold outside.
外面非常寒冷。
Don't be so sure.We might not go anywhere.
别那么肯定。我们可能哪里也去不成。