Nitrides
氮化物
??? 情景例句
Now, tell us something about your trip.
好，跟我們說說你的旅行。
Don't you care about this country's future?
難道你不會國家首任擔(dān)憂嗎？
It was not that I actually remembered anything at all.
這倒并非是我背熟了地圖，