Pollock's operation
[医] 波洛克氏手术(膝关节切肢术)
🧩 词语组成解析
🗣️ 情景例句
And down will come baby,
宝宝跌下来
One half of the world does not know how the other half lives.
贫富不相知。
Even when it was raining heavily, he refused to carry an umbrella.
即使大雨倾盆，他也总是拒绝带伞。