Alexandrite
n. 变色宝石, 紫翠玉\\n[化] 翠绿宝石; 变石
🗣️ 情景例句
Can you assist me in this matter?
这件事您能帮助我吗？
Education for women has improved in leaps and bounds.
妇女教育十分迅速地得到了改善。
the other the lack of freedom of the individual research worker.
二是研究人员缺乏个人自由。