Dch
[医][=delayed cutaneous hypersensitivity]迟发型皮肤过敏（反应）
🗣️ 情景例句
My home is a work of art.
我家就是一件艺术品。
Since we are likely to place sizable orders regularly we hope that you will make some special concessions.
由于我方将定期大批量订购，希望贵方作出一些特殊的让步。
It has helped me to serve others.
这份礼物帮助我为他人服务。