Nitrides
氮化物
🗣️ 情景例句
Is it that serious a problem, Grandpa?
这个问题有那么重要吗，爷爷？
The sooner we go and face the music the better.
咱们还是早点去挨批为好。
She is going to set out from the French coast at five o'clock in the morning.
她打算早上5点钟从法国海岸出发。