Plicadentin
放射状牙质
🗣️ 情景例句
We rely on the Earth for everyting we need to survive, so let's take care of it.
我们依赖地球获取我们生存的一切东西，因此让我们来细心呵护它。
If only our team had scored one more point.
要是我们队再多得一分就好了。
He had a gift for thinking up ways of making political points.
他有一种天赋，能想出很多办法阐明其政治观点。