Dervillite
斜锑铅矿
🗣️ 情景例句
Did you know I can type almost 60 words per minuter?
你知道吗，我能每分钟打60个字。
Every family has problems.
家家有本难念的经。
In all the less controversial fields, like the study of cacti or termites or the nature of nebulae,
在一切争议较小的领域里，如对仙人掌、白蚁或星云性质的研究，