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
to see some of my designs that I've been working on?
看我正在设计的一些服装呢？
All things are difficult before they are easy.
凡事都是先难后易。
No one could account for the fact that one of the boxes was extremely heavy.
其中有只箱子特别重，可谁也弄不清是怎么回事。