Reflection plane symmetry
[化] 镜面反射对称
🧩 词语组成解析
🗣️ 情景例句
Yes?
是吗？
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。
I was only five when my father had taken me abroad, and that we eighteen years ago.
我5岁那年，父亲就带我出了国，那是18年前的事了。