Sebastianite
黑云钙长岩
🗣️ 情景例句
OK.
还好。
I can't say for certain off-hand.
我还不能马上说定。
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。