Polymer microsphere
[化] 高分子微球
🧩 词语组成解析
[化] 微球体\\n[医] 中心体
🗣️ 情景例句
I've got it!
有啦！
When did you know the answer?
你什么时候知道答案？
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。