Pentanitrocellulose
五硝基纤维素
🗣️ 情景例句
Would you mind telling me what the climate is like in California?
您能告诉我加利福尼亚的气候怎么样？
This is our official offer for each item, CIF Shanghai.
这是我方对每项产品的CIF上海的正式报价。
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。