Acervulus
[医] 脑沙, 松果体石
🗣️ 情景例句
Canada has the most beautiful waterfalls in the world.
加拿大有世界上最壮观的瀑布。
It's certainly a big improvement over yestterday.
肯定比昨天大有好转。
Take care of yourself.
照顾好你自己。