Levigelinite
均匀凝胶体; 均匀凝胶体
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
Can I speak to Mr. Li?
我能请李先生讲话吗？
He devoted his life to the study of science.
他把毕生献给科学研究。