🧩 词语组成解析
n. [解](脑脊髓)灰质
🗣️ 情景例句
Closed for repairs.
关门整修。
Mr. Ken Robert comes to us from the University of Kentucky where he is majoring in economics.
罗伯特.金先生来自肯塔基大学，主修经济学。
How much more?
多多少。