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。
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。
They do chores at home and hopefully manage to find some time to study before it gets dark.
他们在家做家务，希望能在天黑前找到时间学习。
Firstly, food is often thrown away before it reaches customers because too much of it is produced.
首先，食物经常在到达顾客之前就被扔掉，因为生产的食物太多了。
It's a great idea as it tells you whether you need to hurry up and eat the food before it goes off.
这是一个好主意，因为这能告诉你是否需要在食物消失前赶快吃掉它们。
According to the statement you made, you had never seen the handgun before it was found in your bag.
根据你所作出的陈述，在你的包里发现这把手枪之前，你从来没有见过它。
Before it ends, it will likely change the life course and character of a generation of young adults.
在它结束之前，它可能会改变年轻一代的生活轨迹和性格品质。
But soon Smith is reporting even before it happens—and it's all terrible—one disaster after another.
但很快，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。
The first step in awakening senses is to stop predicting what we are going to see and feel before it occurs.
唤醒感官的第一步是在事情发生之前，不要预测我们将要看到或感觉到的东西。
You may want to cut down on your "food miles", the distance that a product has travelled before it reaches your kitchen.
你可能想要减少你的“食物里程”，即食物到达你厨房之前所经过的距离。
Alvarez's experience demonstrates the importance of finding ways to diffuse stress before it threatens your health and your ability to function.
阿尔瓦雷斯的经历表明，在压力威胁到你的健康和工作能力之前，找到缓解压力的方法是很重要的。
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。
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。
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。
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。
Before it was built, people in ancient China used horses and oxen, or simply traveled on foot, to trade goods.
在它建成之前，中国古代的人们用马和牛，或仅靠步行来进行货物贸易。
The biggest challenge we all face is to prevent further environmental disasters. We must take action before it is too late.
我们面临的最大挑战就是避免更严重的环境灾难。我们必须尽快采取行动。
His cousins, Ted and Kate, have to follow clues (线索) around London and find him before it is too late.
他的表兄弟泰德和凯特必须根据伦敦周遭的线索，在为时已晚之前找到他。
The spider can feel even the smallest movement of the web, and rushes at the insect before it can get away.
蜘蛛甚至能感觉到蛛网最微小的移动，并在昆虫逃走之前就冲向它。
Just before it rains, odors become stronger.
就在下雨之前，气味变得更浓了。
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。
Yes, the forecast says it's going to get worse before it warms up.
是的，天气预报说在天气变暖之前会变得更糟。
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