Plane of symmetry
[化] 对称面
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Don't worry. The traffic is very heavy at this hour.
别担心。这个时间交通很拥挤。
Are you with me?
你们跟上我讲的了吗？
That's too expensive for us.
这对我们来说是太贵了。