Memantine
[医]美金刚，二甲金刚胺，美金刚胺
🗣️ 情景例句
Hail to the conquering heroes,
向进取的英雄们致敬，
It won't take much time.
不会花很多时间的。
Fortunately, however, ancient men made tools of stone, especially flint,
然而， 幸运的是，远古人用石头制作了工具，特别是用燧石，