Viscolloid
粘性胶体
🗣️ 情景例句
Learning foreigh languages should be fun.
学习外语应该是乐趣无穷的。
May I have your name?
能告诉我你的名字吗？
Only the Earth provides ideal conditions, and even here it has taken more than four billion years for plant and animal life to evolve.
只有地球提供理想的条件，而即使在这里，植物和动物的进化也用了40亿年的时间。