《牛津英语词典》将 LOL 定义为一个叹词，“主要用于电子通信……以引起对笑话和幽默语句的注意，或表示可笑”。
The OED defines LOL as an interjection "used chiefly in electronic communications… to draw attention to a joke or humorous statement, or to express amusement".
主要用于电子元器件，PC板等的包装。
Mainly used in electronic components, PC boards, such as packaging.
主要用于电子元器件，PC板等的包装。
It is mainly used for the packaging of electronic component and PC boards.
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