Grammar Note
表示“变得空白”时是不及物动词；其余义项（使无效、抹去、使不得分等）为及物动词。
抹掉；使作废；取消
blanked — past of blank
先理解核心含义，再看它在真实句子里的用法。
抹掉；使作废；取消
To erase or cancel something so it is void or empty.
The goalkeeper's incredible saves blanked the opposing team for the entire match.
守门员令人难以置信的扑救让对手整场比赛一分未得。
使无效；抹去
To make void; to erase.
用湍流(如飞机尾流或反推)覆盖使之失效
To render ineffective by blanketing with turbulent airflow, such as from aircraft wake or reverse thrust.
使不得分；如体育比赛中
To prevent from scoring; for example, in a sporting event.
变为空白
To become blank.
blank
Base
原形
blanks
3rd person
第三人称单数
blanking
-ing
现在分词
blanked
Past
过去式
blanked
Past participle
过去分词
The defense blanks the opponent in the final game.
防守方在最后一场比赛中让对手一分未得。
She blanked the document before leaving the office.
她离开办公室前清除了文件内容。
Why is the display blanking during the test?
为什么测试期间显示屏变空白了？
规则动词；及物时表示抹去或使不得分，不及物时表示变空白。
During the interview, my mind suddenly blanked and I couldn't recall my own phone number.
面试时，我的大脑突然一片空白，连自己的电话号码都想不起来了。
The editor blanked the incorrect line from the document before it was printed.
编辑在文档打印前抹掉了错误的那一行。
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表示“变得空白”时是不及物动词；其余义项（使无效、抹去、使不得分等）为及物动词。
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.