Subfluoride
低氟化物, 氟化低价物
🗣️ 情景例句
Things look black.
前途暗淡。
Please come to the airport by eight thirty at the latest.
最迟要在8点30分到达机场。
If you expressed doubt or surprise, he would immediately invite you to smell it and then to rub some into your skin.
如果你表示怀疑或惊奇，他会立即请你闻一闻，然后取出一些抹在你的皮肤上。