Pyrophoric powders
[机] 引火粉
🧩 词语组成解析
a. 发火的,生火花的
n. 粉, 粉末( powder的名词复数 ); 粉状物质
🗣️ 情景例句
He insists that politics will affect the human life deeply.
他坚持说政治会对人类的生活产生深远影响。
We have new methods like compensation trade and joint ventrue.
我们有补偿贸易和合资经营。
Now that a tunnel ahs been built through the mountains, the Pass is less dangerous,
如今由于山里开挖了隧道，翻越山口已不那么危险了。