Wittite
硫硒铅铋矿
🗣️ 情景例句
What's the reason why you left your previous employer?
你离开原来那个雇主的原因是什么？
Praise no man till he is dead.
盖棺论定。
A long time ago, one of his ancestors who lived in Africa went into the forest to cut down a tree to make a drum.
很久以前，他那生活在非洲的祖先中有一人走进森林去砍树来做鼓。