Filed number
字段号
🧩 词语组成解析
v. [专利]申请；存档（file的过去分词形式）
🗣️ 情景例句
Are the bathrooms on this train clean?
火车上的卫生间干净吗？
She knew that a vocation this year was out of the question.
她知道今年不可能有假期。
How much does this house cost?
这座房子卖多少钱？