Ab.
[医] 抗体
🗣️ 情景例句
Exploring outer space is a challenge to mankind.
探索外层空间是一项向人类发出的挑战。
What kind of climate do you have?Is it humid?
你们那里的天气怎么样？它是潮湿的吗？
The experts were now fully convinced that the animal was a puma,
专家们如今已经完全肯定那只动物就是美洲狮，