Calv
abbr. calving 裂冰（作用）
🗣️ 情景例句
There's no doubt about that.
此事确定无疑。
I know the boy whose father is a college president.
我知道那个男孩的父亲是大学校长。
Is it cold or warm in autumn?
秋季的天气是冷还是暖呢？