Dch
[医][=delayed cutaneous hypersensitivity]迟发型皮肤过敏（反应）
🗣️ 情景例句
Well, it's fine if you take our picture.
你想拍我们的照，就请吧。
Does it make any difference to you whether we have our lesson at two o'clock or at three o'clock?
我们在两点上课还是在三点上课，你觉得有关系吗？
First of all, I will outline the characteristics of our product.
首先我将简略说明我们商品的特性。