First, the weapons should be intended for use only in retaliation after a nuclear attack. Second, the possession of the weapons must be a temporary expedient.

首先，这些武器应当只在遭受核袭击后反击时才使用。其次，这些武器的拥有必须是一种临时的应急手段。

《柯林斯英汉双解大词典》

Existing fossil fuel stations are "mothballed" for use only as a last resort.

现有的矿物燃料发电站被“封存”，仅在万不得已时使用。

youdao

Most kernel keys are for use only within the kernel (the full list is in sys/skeys.h).

大多数内核键仅在内核中使用（有关完整的列表，请参见 sys/skeys.h）。

youdao

Some states only permit use for certain diseases like cancer, multiple sclerosis or AIDS.

VOA: special.2010.10.11

For this sprite only, means local, only this function, only this script can use this variable, make this variable for all sprites, meant it was global.

对于只为一种精灵，意思是局部的，只有这个函数中，这个脚本中才可以用这个变量，这个变量为全部精灵而创建，意思是这个变量是全局的。

哈佛公开课 - 计算机科学课程节选

In fact, I'm going to use only two dimensions for most of the time because the difference between one dimension and two is very great.

实际上,大多数时候我只考虑二维的情况,因为一维和二维的差别很大

耶鲁公开课 - 基础物理课程节选

This Apple confidential information is for use only by registered members of the applicable Apple Developer program.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

Genentech's Activase, also known as tissue plasminogen activator, is approved for use only up to three hours after stroke.

FORBES: Brain Repair

The FDA approved Ranexa for use only when other anti-angina drugs have failed.

FORBES: A Good Failure?