Labradite
钙钠斜长石
🗣️ 情景例句
If you're under twenty-one years of age ...
如果你还不到二十一岁……
Don't break the rules.
不要违规。
A few minutes later, I was able to hurry away with precious chalk marks on my baggage.
几分钟后，我终于被放行，手提划着宝贵的粉笔记号的行李，匆匆离去。