Eburnitis
牙釉质密固
🗣️ 情景例句
And when you both say, I do,
当你们两人都说 我愿意 时，
Prosperity gains (or makes) friends, and adversity tries them.
顺境交朋友，逆境试真情。
My sister is only seven, but she always tells me whether my pictures are good or not.
我的妹妹只有7岁，但她总能说出我的画是好还是坏。