Frostline
[地]冰冻线,冻深线
🗣️ 情景例句
I'm not really sure.
我不是太有把握。
Skiing is such a difficult sport that it's more work than play.
滑雪是非常困难的运动，真所谓工作高于游戏呀。
His boss might get angry with him.
他的老板也许会生他的气。