玻璃棉塞支承着聚乙烯漏斗的颈部。

A plug of glass wool held in the neck of a polyethylene funnel.

youdao

不要将棉塞留在已经打开过的药瓶内，以避免将潮气吸入瓶内；

Also, do not leave the cotton plug in a medicine container that has been opened, since it may draw moisture into the container.

youdao

如果使用的话，第二覆盖物可在棉塞填絮压缩形成最终棉塞形式之后附着于棉塞。

The secondary cover, if used, can be attached after the tampon pledget has been compressed into the final tampon form.

youdao

I'm not talking about tampons.

我说的不是棉塞。

耶鲁公开课 - 新约课程节选