Picotite
n. [矿]铬尖晶石
🗣️ 情景例句
and a pitcher of lemonade.
和一壶柠檬汁。
Experience keeps a dear school,but fools learn in no other.
经验学校学费高，愚人旁处学不到。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，