Equidensite
等密度
🗣️ 情景例句
Are you sure?
你确定？
She was so happy that she shed tears of delight.
她因为太幸福了，所以喜极而泣。
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。