以18天鸡胚睾丸为实验材料，经胶原酶和胰蛋白酶两步酶消化法得到生精上皮细胞悬液。

Testes from 18-day-old embryonic chickens were used to isolate seminiferous epithelial cells by sequential two-step enzyme digestion with collagenase and trypsin.

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目的：研究麦胚凝集素(WGA)是否能够诱导小鼠成纤维细胞L 929发生凋亡及其可能的分子机制。

AIM: to investigate whether wheat germ agglutinin (WGA) could induce apoptosis in mouse fibroblast cell line L929 and the possible molecular mechanism underlying.

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我是一名即将毕业的在校本科生。我主修珠宝评估，并收集了许多珍贵宝石原胚。

I was an undergraduate in college, I majored in jewelry appraisal, my collection of many precious stones of the original stone.

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