Pbl
[医][=peripheral blood leucocyte]外周血白细胞
🗣️ 情景例句
It is. That's why we bought it for you.
是的。这就是我们买给你的原因。
Let's keep in touch.
让我们保持联系。
He built a glass wall through which he could watch what went on inside.
他建造一堵玻璃墙，透过玻璃墙他能够观察里面发生的事情。