🧩 词语组成解析
[机] 葱属
[化] 耦合电子对近似
🗣️ 情景例句
I'm sorry. I missed that.
对不起，我没听清。
His presence in the room was not noticed.
没有人注意到他在房间里。
On that day everyone eats mooncakes.
过节那天大家都吃月饼。