Point of reference
[化] 控制点
🧩 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 talk so loud, you may be overheard.
别这么大声说话，别人会听见的。
I'm calling to say goodbye.
我大电话向你告别来了。
Yes, speaking. Just a moment. Let me turn the music down. There, that's better.
是的，我就是。请稍等。让我把音量关小一点。你瞧，好多啦。