Predose
预[初始, 本底]剂量
🗣️ 情景例句
He worked his way through college.
他半工半读念完大学。
He who does not honour his wife, dishonours himself.
人不贵妻，自我丢脸。
Pumas are large, cat-like animals which are found in America.
美洲狮是一种体形似猫的大动物，产于美洲。