Torulus
隆凸, 小圆凸
🗣️ 情景例句
These files are highly confidential, please store them properly.
这些文件是高度机密的，请妥善保存。
Excuse me. Could you give me change for a dollar?
劳驾，你能不能换1元零钱给我？
It was not long before a helicopter arrived on the scene to rescue the survivors of the plane crash.
不久，一架直升飞机飞抵飞机失事现场，来搭救这几个幸存者。