Pickeringite
镁明矾
🗣️ 情景例句
If you go camping, at night you'll hear all the nocturnal animals.
如果你去野营，晚上可以听到动物的夜歌。
The moon is a moon whether it shines or not.
或名或暗，月亮总是月亮。
Good morning, nurse.I was to see the dentist,please.
早上好，护士。我想见牙科医生。