Calcificaton
[建] 钙化(作用), 骨化(作用)
🗣️ 情景例句
It's not fair, Richard. I'm not even ready.
这样不公平， Richard。我甚至一点准备都没有。
Who is it? Come down.
是谁？下来。
Large groups of Native Americans were forced to move away form their old hunting grounds.
成批成批的美洲土著人被迫从他们原来的狩猎场迁走。