Spermoderm
种皮
🗣️ 情景例句
One apple. Two apples. Three apples. Four apples.
一个苹果。两个苹果。三个苹果。四个苹果。
He hasn't answered my letter yet.
他还没有给我回信。
I live in a tall building in the city of Beijing.
我住在北京市的一幢高楼里。