Confocal
[医] 同焦点的
🗣️ 情景例句
Are you sure you know where you're going?
你真认识你要去的地方吗？
The mailman is delivering letters.
邮差在发信。
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。