Obbo
[美]观测气球
🗣️ 情景例句
I've been working too hard. I'm beat.
我工作的太多，我快垮了。
He tries to button his own shirt,but he can't do it.
他试着扣好他的自己的衬衫，但是他不能做到。
I think I've caught a cold.
我想我得了感冒。