Bdt
嗜碱粒细胞脱颗粒试验(basophil degranulation test)
🗣️ 情景例句
I've been thinking about it for weeks now.
为这事我想了几个星期。
He's studying his lesson.
他正在学习课程。
He's only forty-one years old, and he has already been to nearly every country in the world.
他只有41岁，但他却过世界上几乎每一个国家。