Hca
[医][=heart cell aggregate]心脏细胞聚集
🗣️ 情景例句
Thanks, Grandpa. Please sit down.
谢谢你， 爷爷。请坐。
It's a pain in the neck.
那真是件麻烦事
Oh yes! I know she quite often eats chicken at home.
噢，对了！我知道她在家里常吃鸡肉。