Prefreezing
预冻结
🗣️ 情景例句
I'm dead tired by quitting time.
下班时，我都累死了。
Who will accompany you to the airport?
谁将陪你去机场？
The hovercraft is particularly useful in large areas with poor communications such as Africa or Australia;
气垫船在非洲、澳大利亚等交通不发达地区特别有用。