Predentin
前期牙(本)质, 原牙质
🗣️ 情景例句
That's right, sweetheart.
是的，宝贝。
A beggar's purse is bottomless.
乞丐的钱袋是无底洞。
Although perhaps only 1 per cent of the life that has started somewhere will develop into highly complex and intelligent patterns,
虽然在已经产生生命的某个地方，可能只有1%会发展成高度复杂有智力的生命形态，