Underdense
欠密的
🗣️ 情景例句
It doesn't need any alterations. We must've bought the right size.
不需作任何修改。我们一定是买对了尺寸。
It is an equal failing to trust everybody, and to trust nobody.
信任一切与不信任任何人，同样是弱点。
As he had never been there before, he found a great deal to interest him.
由于他从未去过那儿，结果他发现许多有趣的东西。