Spherocolliod
球形胶体
🗣️ 情景例句
I have been a secretary in an insurance company.
我一直在一家保险公司担任秘书工作。
A match will set fire to a large building.
星星之火，可以燎原。
Each day is a holiday,and ordinary holidays, when they come,
每天都是假日，而通常的假期到来时，