An airplane flew across the sky trailing white vapor.

一架飞机从空中飞过,尾部拖着一条水汽形成的白线.

辞典例句

Any leading or trailing white space characters will be removed from each field, element or attribute.

任何前导或后继的空格字符将会从每个字段 、 元素和属性中删除.

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