Kainosite
钙钇铈矿
🗣️ 情景例句
I arrived there without any delay.
我顺利抵达。
I'm Clifton, and I've been associated with this project since the beginning.
我叫克里夫敦，从一开始我就参与了这项计划。
Officials from Greenwich Observatory have the clock checked twice a day.
格林尼治天文台的官员们每天两次派人矫正此钟。