Optg
abbr. operating 操作的，运转的，营业上的
🗣️ 情景例句
I am so happy for you both.
我真为你们俩感到高兴。
You'll fall, if you don't take care.
你不专心的话，就会跌倒。
No, it's too small. Let's go to the farthest instead. It's more interesting.
不，那个太小了。还是去最远的那个吧。那更有趣！