Epulis
n. [医]龈瘤
🗣️ 情景例句
You ready for the next problem?
你准备好做下一道题了吗？
Where are you going?
你要去哪里？
the graphic record shows three waves arriving one after the other at short intervals.
曲线纪录就能显示出前后相间的这3种地震波。