Polyacid
a. 多酸的
🗣️ 情景例句
It's the world's largest island, but it's also the world's smallest continent.
它是世界上最大的岛屿，同时也是世界上最小的洲。
Judge not of men and things at first sight.
审人论事宜谨慎，一见之下莫断定。
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请在这儿签字以表明你已收到这笔钱。"