Prototoxoid
[医] 强亲和类毒素
🗣️ 情景例句
Mr. Douglas is currently on leave.
道格拉斯先生眼下正在休假。
What is your guess about the outcome of this meeting?
你认为这项会议的结果将会如何呢？
What Caused The Fire ?
是什么引发了火灾？