Monosymmetric
a. 单轴对称的, 两侧对称的
🗣️ 情景例句
Thank you, Susan.
谢谢你， Susan。
Oh, really? Where did you go?
哦，真好？去哪儿了？
No one suspected that there might be someone else on the farm who had never been seen.
谁也没想到农场竟会有一个从未露面的人。