Latrappite
钙钛铌矿
🗣️ 情景例句
Nowadays many people go traveling for the holidays.
下面许多人都在假期里去度假。
She's engaged married to John.
她和约翰订婚 结婚了。
Can we substitute the J-123 for the J113?
以J-123来替代J-113，可以吗？