Alundum crucible
[化] 刚铝石坩埚
🧩 词语组成解析
n. 人造刚玉的商标
crucible
[['kru:səbəl]]
n. 坩锅, 严酷的考验\\n[化] 坩埚
🗣️ 情景例句
To stop without a farmhouse near
为何停在没有农舍的地方
When can we expect its delivery?
什么时间能发货呢？
I know it's not necessary. I want to do it.
我知道不必这样，可是我愿付？/span>