Pentaborane
n. [化]戊硼烷(用作火箭推进剂)
🗣️ 情景例句
How much do you need?
你需要多少钱？
I didn't read the whole paper, front page.
我没有看到报纸的全部，我只是大概看了头版。
Recent developments in astronomy have made it possible to detect planets in our won Milky Way and in other galaxies.
天文学方面最新发展使得我们能够在银河系和其他星系发现行星。