Mould the mixture into shape while hot, before it hardens.
在混合物变硬之前，趁热将其塑造成形。
There should be greater treatment of sewage before it is discharged.
污水排放前应该进行更充分的处理。
Tragically, she never saw the completed building because she died before it was finished.
不幸的是，她未能见到完工的大楼，因为她在大楼竣工前就去世了。
It is important to recognize jealousy and to nip it in the bud before it gets out of hand.
意识到嫉妒并在它发展到无法控制之前就把它消灭于萌芽状态，这一点至关重要。
The fire had been put down before it took the forest.
火在蔓延到森林前就被扑灭了。
Resisting automation is futile: it is as inevitable as industrialization was before it.
抵制自动化是徒劳的：它就像之前的工业化一样不可避免。
Now, unlike the harpsichord which came before it, the piano is a percussion instrument.
不像之前的羽管键琴，如今的钢琴是一种打击乐器。
Soon Smith is reporting even before it happens—and it's all terrible—one disaster after another.
很快，史密斯甚至在事情发生之前就开始报道了，这是一场又一场可怕的灾难。
Put that away before it gets broken.
把它收好，免得砸碎了。
She rushed to get to the post office before it closed.
她赶在邮局关门之前到达邮局。
It is best to treat the disease early before it takes a hold.
最好还是病向浅中医。
I can't visualize what this room looked like before it was decorated.
我想象不出这个房间在装修之前是什么样子。
Mark was dragged from the burning wreckage of his car just before it exploded.
马克刚被人从他的燃烧着的汽车残骸里拉了出来，车就爆炸了。
His secretary acts as a gatekeeper, reading all mail before it reaches her boss.
老板的秘书负责把关，所有邮件都由她先过目再呈送给他。
An embarrassing blunder nearly blighted his career before it got off the ground.
他的事业还未起步，就差点因一次难堪的失误断送了。
Within six weeks the bruising had gone, but it was six months before it all healed.
6周内青瘀已经消退了，可是伤在6个月后才完全愈合。
His obituary was published in one edition of his own newspaper before it was discovered that he was alive.
他的讣文刊登在他自己的报纸版面上之后，才发现他还活着。
I had to before it grabbed me!
我只能那么干，不然就被它抓去了！
Just before it was ready to blossom, it died.
就在它即将绽放的时候，它就枯死了。
Factory wastewater has to be cleaned before it goes back to nature.
工厂废水在回归自然之前必须进行净化。
He was one of the program's first users before it went popular on campus.
他是该程序风靡校园之前的首批用户之一。
Before it was over, Katy had made her mind up to be an actress.
在它结束之前，凯蒂下定决心要成为一名女演员。
The effect of this kind of medicine needs further study before it can be widely used.
在广泛应用之前，这种药的效果需要进一步研究。
Before it, in the 1950s and 1960s, more than fifty thousand whales per year were killed.
在此之前，在20世纪50年代和60年代，每年都有超过5万头鲸鱼被捕杀。
Just before it rains, odors become stronger.
就在下雨之前，气味变得更浓了。
Before it solidified, it was just regular sand.
在凝固之前，它只是普通的沙子。
They hurried to rescue him before it was too late.
他们赶紧去救他，以免为时过晚。
The rubber band can only bend so far before it swings back.
橡胶棒只能弯曲这么多，接下来就会反弹。
The newborn enters a resting stage before it becomes an adult.
新生儿在成年之前进入休息阶段。
The paper, usually red, is folded before it is cut with scissors.
纸通常是红色的，先要折叠，然后用剪刀剪开。
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