Subconvex
(中间)微凸的, 稍呈凸面的
🗣️ 情景例句
Hey, leaving me?
嗨 ，丢下我啦？
If you believe that, then you must be out of your mind.
你如果相信它的话，那你一定是你头脑发昏了。
That's right! A friend gave me a photo. I wanted to show it to you.
对！一位朋友给了我一张照片。我要拿给你看看。