Riptography
[化] 沉淀滴定法
🗣️ 情景例句
Well, Marilyn and Richard called.
好啦 Marilyn和Richard打电话来了
I am sorry Mr. Chen is unavailable, would you like to speak to anyone else?
抱歉陈先生不在，你要不要跟其他人讲话？
The geologist needs to know what rocks the drill has reached,
地质学家需要知道钻头已经到达什么样的岩层，