Pentaborane
n. [化]戊硼烷(用作火箭推进剂)
🗣️ 情景例句
Snow.
雪。
How many bags are you going to get?
你要取几袋？
This time, he managed to climb into the mouth of Kituro so that he could take photographs and measure temperatures.
这次他设法爬进了基图罗火山口，以便能拍摄照片和测试温度。