Precipitin tests
[医] 沉淀素试验, 血清试验(检血、肉、精液等,辨别动物的种属)
🧩 词语组成解析
n. 沉淀素\\n[化] 沉淀素
n. 测验（test的复数）
🗣️ 情景例句
Uh, are you going to be busy this evening?
今晚忙吗？
It's up to us to help those in need.
我们有责任帮助那些有困难的人。
Most of Debbie's school friends will be waiting for her on the English coast.
黛比的大部分同学将在英国海岸等候她。