Sonim
(=solid nonmetallic impurity) 固体非金属杂物, 夹灰, 夹砂
🗣️ 情景例句
and one of them is Columbia.
其中一所是Columbia大学。
I stayed up until 2:00 in the morning.
我熬夜直到凌晨2点。
They have nothing to eat.
他们没有东西吃。