Natronbiotite
钠黑云母
🗣️ 情景例句
How long is this flight?
这趟飞行有多长时间？
Do one's level best.
尽力而为。
Don't tell me that all this is because of a photograph taken when I was twelve.
别跟我说，所有这一切都是因为我12岁时拍的一张照片。