🧩 词语组成解析
n. [解](脑脊髓)灰质
🗣️ 情景例句
Mike and I had a hamburger this afternoon, and we talked.
今天下午 Mike和我一起吃汉堡， 一起讨论。
I remember the girl whose father earns $ 300 a day.
我记得那个女孩的父亲一天赚三百元。
You must have been driving at seventy miles an hour.
你刚才一定是以每小时70英里的速度开车。