For first use , please clean it with cleanser and rinse with water then dry it.

使用前请用清洁剂清洗，再用清水冲洗干净；

youdao

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》

You could use it to create a patch for the class if the conflicts were resolved first.

如果先解决了冲突的话，您就能够使用它来为这个类创建一个补丁。

youdao

The first breeding line is expected to be released this year for use by private seed companies and public soybean breeders.

VOA: special.2009.01.20

And what we find, the first example of a Bronze Age-- and I use the word civilization now for the first time, because before the Bronze Age-- there is nothing that we would define as civilization.

我们发现的第一个文明出现在青铜时代,也是我第一次用文明这个词,因为在青铜时代之前,没有任何东西能称之为文明

耶鲁公开课 - 古希腊历史简介课程节选

c We know it's very specific for light because in this equation is c, the speed of light. So any time you go to use this equation, if you're trying to use it for an electron, just ask yourself first, does an electron travel at the speed of light?

我们知道它只对光适用是因为在这个方程里有,光速，所以下次你们用这个方程前，如果你们要把它用到一个电子上，先问问你自己，电子的运动速度是光速吗？

麻省理工公开课 - 化学原理课程节选

That should come later this year, and if it trends in the right direction ImClone could file for approval for first line use.

FORBES: ImClone Gets Targeted

For first-time use, consumers set up an account in Magellan's Content Manager and connect their SmartGPS device to a computer with a micro USB cable.

ENGADGET: Magellan's smartGPS navigator has built-in Yelp reviews, syncs with your phone (video)

Over the past two years, for instance, he has published studies maintaining the Chantix anti-smoking pill is unsuitable for first-line use (read here and here) and a meta-analysis indicating the mist form of the Spiriva inhaler that is used to treat chronic obstructive pulmonary disease had a 52 percent increase in mortality risk compared with a placebo ( see this).

FORBES: The Confusion Over A Pair Of Diabetes Drugs And Pancreatitis