Immunogen
n. 免疫原
🗣️ 情景例句
You're right.
说得对。
Good night, Jan.
晚安，简。
From one's own front door to home or foreign hills or sands and back again, everything is to hand.
从自己的家门出发到国内国外的山区或沙滩上露营然后返回，一切都很便利。