Icecap
n. （高山等上的）常积不消的冰, 冰盖
🗣️ 情景例句
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
Poverty is not a disgrace,but theft is a disgrace.
贫穷不可耻，偷窃乃足羞。
These were the so-called mainframe machines.
它们被称为主机。