Protocalcium
原钙, 初钙
🗣️ 情景例句
Something simple--but a good one.
要简单的，但要精美 。
We can't decide what to do.
我们不能决定怎么做。
It blesses those who give it, and those who receive it.
它不但赐福施予的人，而且赐福于受施的人。