Ab.
[医] 抗体
🗣️ 情景例句
Every cloud has a silver lining.
再黑暗的地方也有一线光明。
A little labour,much health.
适量的劳动大有益于健康。
It will take me several hours if I really look at everything.
如果全部参观的话，那得需要好几个小时。