Polybase
[化] 多碱
🗣️ 情景例句
I think you have got it, Richard.
我想你已完成了 ，Richard。
I have some difficulty in expressing myself.
我表达起来有点困难。
(remember how easily the Apollo astronauts bounded along),
还记得阿波罗飞船中的宇航员轻松地跳跃-