Kentanium
硬质合金
🗣️ 情景例句
Alexandra came by.
Alexandra来了。
He was my sincere friend.
他是我诚挚的朋友。
and he had seen there evidence enough to overthrow Aristotle and Ptolemy together.
观察到的论据足以把亚里士多德和托勒密一起推翻。