Immunogen
n. 免疫原
🗣️ 情景例句
Consider the cost before you decide.
你决定前要先考虑费用问题。
He must have been an outstanding student.
他一定是个优秀学生。
Yes. You should never keep fish in a small round bowl.
错不了。你绝不能把鱼养在一个小圆缸里。