Palaechinoida
古海胆目
🗣️ 情景例句
The organization serves major companies in this city.
这个组织为本市各大公司服务。
It is better to wear out than to rust out.
与其锈掉，不如用坏。
The sides of the deer were coloured with a reddish-brown paint.
鹿的四周用一种淡棕带红的颜色勾勒。