医生首先将一块海绵放在清洗过的伤口上，然后用一个塑料密封垫将伤口封起来。
The surgeon would first apply a sponge over the cleaned wound and then cover it with a plastic seal.
认为狗能把分辨狗尿垫和红色地毯的想法可能听起来很荒谬。
The idea that a dog could tell a red carpet from a housebreaking pad may sound far-fetched.
她很好奇自己可能把书籍堆起来垫她的咖啡桌。
She wondered if she might stack her books and turn them into legs for a coffee table.
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