Microhardness
n. [冶]微硬度,显微硬度
🗣️ 情景例句
Mmm-hmm.
嗯。
He who does not gain loses.
无所得即有所失。
Since its discovery, it has become a sort of potholers' Everest.
自从被发现以后，这个洞成了洞穴探险者的珠穆朗玛峰，