Calv
abbr. calving 裂冰（作用）
🗣️ 情景例句
I can assure you that as long as you stay at home, you're safe.
我可向你保证，只要你呆在家里就会很安全。
Adversity is a good discipline.
苦难是磨练人的好机会。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。