Immunogen
n. 免疫原
🗣️ 情景例句
Go for the first prize! i know you are good enough.
争取拿头奖，我知道你行。
Danger itself is the best remedy for danger.
危险本身就是对付危险的最好办法。
but the doctor refused to do so.
但医生拒绝告诉他。