Scolecodont
[古生]虫牙, 蠕虫腭的化石, 蚜
🗣️ 情景例句
I happened to meet her on the bus.
我凑巧在公共汽车上碰见她。
He has been working in advertising for ten years, but now he is teaching.
他曾经在广告公司服务十年，但现在在当老师。
The trainer stands in front of the elephant holding a long stick with a sharp metal point.
驯练员手持一根有锋利金属尖头的长棒，站在象前。