This means that we need to discard them after one or two uses.

这意味着我们要在使用一次或两次后丢弃它们。

youdao

I would make one unsatisfying attempt after another, and in the end have to discard them all.

不断尝试，却总不能让我满意，最后不得不又把全部的尝试放弃掉。

youdao

The number of e-mails you receive grows if you do not set the system to discard them or store them at specific times.

如果不进行系统设置来丢弃邮件或在特定时间存储邮件，您收到的电子邮件数量将会不断增加。

youdao

The only way the embryos can be used, according to Frist's proposed guidelines, would be if donors have already decided to discard them and have approved their use in research.

CNN: Politics, science, morality of stem cell issue

You may have to discard them completely.

FORBES: Do you get your customers?

Dr. Nickerson noted that science is replete not only with examples of great scientists tenaciously persisting with theories "long after the evidence against them had become sufficiently strong to persuade others without the same vested interests to discard them" but also with brilliant people who remained wedded to their pet hates.

WSJ: The Benefits of Scientific Rivalry | Mind & Matter