Allergen
n. 变(态反)应原\\n[化] 过敏素; 变应原
🗣️ 情景例句
Thanks, Richard.
谢谢 ，Richard。
This mountain range has many high peaks and deep canyons.
这条山脉有许多高山峰和深峡谷。
You have a good sense of humor.
你真幽默。