And then I went to study photography.

而后又去学摄影。

And they analyzed the bacteria present in the samples.

而后他们对粪便中的细菌样本进行分析。

And then categorize them as believers or deniers.

而后将受试者分为相信者以及不相信者。

To stem consumption, we should think before we buy and ask ourselves, will it truly make me happier?

为抑制消费，我们应三思而后，先问问自：“它真的会让我更开心吗？”

The animals produce antibodies which are harvested and purified into the antidote.

这些动物会产生抗体，而后我们会收集这些抗体并将其提纯成解毒剂。

After that, ballots are sent out and the nominations are whittled down by Academy members.

而后选票被送出去, 提名经由学院成员削减。

Tamerlan was then killed in a gun battle and Dzhokhar was arrested.

而后塔梅尔兰在一场枪战中被杀，而焦哈尔则被。

When I learned the alphabet as a child, I heard it before I saw it.

我销售学习字母时，先听到字母的发音而后才看到写法。

It was the site of a 2006 fire and has remained vacant ever since.

2006时那里曾发生过火灾，而后一直闲置。

And then I get back to the hotel, and I turn on the news.

而后我回到旅馆，打开电视看闻，就发现果然不出所料。

You just have to be very patient and choose your words wisely.

你必须要非常耐心，要三思而后言。

" Look before you leap" is a warning against people acting rashly.

“三思而后行”这条谚语是告诫人们不要鲁莽行事。

Then, a special primer is applied, which acts like glue.

而后，一种特殊的底漆会被涂上，作用为一种胶水。

And that way, your enemies will think twice before taking advantage of you.

这样，你的敌人在利用你之前就会三思而后行。

Potential conspirators may think twice if they suspect their market is being screened.

如果潜在的阴谋者他们怀疑自的市场被屏蔽，可能会三思而后行。

Once they were known as shell-shock; then as battle fatigue; then as combat stress reaction.

起初称作炮弹休克，紧接着是战斗疲劳症，而后又变为战斗应激反应。

It pays for risky basic science; companies pay for later stages of development.

对于成功率较低的基础科学，开始阶段的研究由研究会单，而后阶段的开发则由各大公司支付。

It then matched the brain activities with the photos.

而后便能将大脑活动与照片相匹配。

It was made in Iran then sent to Houthi militants in Yemen.

导弹是由伊朗制造，而后交给也门的胡塞武装分子。

His ship, the HMS Endurance, became trapped in and later crushed by the ice.

他的船只“坚忍号”被困在冰中，而后又被冰给压碎。