Agnesite
碳铋矿
🗣️ 情景例句
I'm sorry to have caused you so much inconvenience.
给你造成诸多不便，我很抱歉。
Do you often learn geography on the weekend?
你常常在周末学地理吗？
One night, the gaoler decided to play a joke on his colleague to find out if, after so many performances, he had managed to learn the contents of the letter by heart.
一天晚上，狱卒决定与他的同事开一个玩笑，看看他反复演出这么多场之后，是否已将信的内容记熟了。