Hbcag
乙型肝炎核心抗原
🗣️ 情景例句
After forty-eight hours.
四十八小时后。
To cross the street
横穿马路
It is said that the nerve poison is the more primitive of the two, that the blood poison is, so to speak, a newer product from an improved formula.
据说，神经毒液在两种毒液中是较为原始的一种，而溶血性毒液，打个比方说，是根据改良配方生产的一种较新的产品。