youdao

我可以在不退出的情况下打开其他应用程序。

I can open other applications without having to exit WordPerfect.

《柯林斯英汉双解大词典》

根据说明，她按下打开器的一个代码，丢失的手册会找到自己。

According to the note, she can press a code into the opener and the missing manual will find itself.

youdao

In the presence of this ligand, this molecule, it's open, it allows transport of this ion, when the ligand is gone it doesn't.

配体存在的情况下通道才打开,允许这些离子穿过,配体离开后,这些离子就不能通过了

耶鲁公开课 - 生物医学工程探索课程节选

If a ligand comes and interacts with a receptor, it opens up; In the presence of this ligand, if the ligand goes away, it closes.

如果配体与受体相互作用,在配体存在的情况下通道打开,如果配体脱离,通道就关闭

耶鲁公开课 - 生物医学工程探索课程节选