Knopite
铈钙钛矿(钛酸钙矿夹杂氧化铯及氧化铁)
🗣️ 情景例句
I had a really bad day.
今天真是糟透了。
Wine in the bottle does not quench thirst.
瓶中之酒不解渴。
As we had had a long walk through one of the markets of old Delhi, we stopped at a square to have a rest.
当我们穿过旧德里的市场时走了很长一段路，我们在一个广场上停下来休息。