Ferroboron
铁硼合金, 硼铁
🗣️ 情景例句
Subway transportation is very advanced in Longdon.
伦敦地地铁非常先进。
She's going to be 15 next month.
下个月她就满15了。
Let's go out and celebrate.
我们到外面庆祝一下吧