An open class isn't limited to the set of methods that were implemented when it was defined.

在定义时，开放式类并不只限于一组被实现的方法。

youdao

This class can create a new index or open an existing index and add documents to it.

这个类能创建一个新的索引或者打开一个已存在的索引并为该所引添加文档。

youdao

You now should have an editor open on the Account class, which should have no methods at all.

您现在应在Accoun t类上打开了一个编辑器，它应该无任何方法。

youdao

It's an open question whether you'll believe it when this class comes to an end, but I'd be surprised if many of you believe it now.

即使到课程结束时,能否接受这个观点,依然是你们的自由,相反,你们要现在就能接受,倒是会让我感到很奇怪

耶鲁公开课 - 心理学导论课程节选

Too much alcohol also irritates your gastrointestinal tract. (Imagine pouring a class of Absolut on an open wound.) Eating just about anything while you drink eases the pain because the food coats the lining of your intestines.

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Macrocyclic drugs are an emerging class of therapeutics that promise to open up drug target spaces which are poorly addressed by small chemical entities and larger biologics.

FORBES: Innovation Snapshot: Macrocyclic drugs to unlock new therapeutic targets

Anyone with his eyes open will see that Rockwell was an illustrator in a class of his own.

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