Euchroite
翠砷铜矿
🗣️ 情景例句
I'd like to give thanks for a healthy year, a good job,
我感谢这一年来身体健康 工作顺利，
That deep sigh could only express Helen's sadness.
那深深的叹息，不外乎表示出海伦的悲哀。
A young man and a young woman were sitting behind me.
一青年男子与一青年女子坐在我的身后，