钟在打点前先嘎啦嘎啦地响起来。
讲话前先感谢大家光临，这是惯例。
It is usual to start a speech by thanking everybody for coming.
工作人员在兑现支票前先把它复印了。
插入导管前先要进行检查。
An examination is carried out before the insertion of the tube.
我们在把东西归档前先给它们贴上标签。
进来前先敲门。
在上主菜前先来个大份的色拉。
然后陈的团队决定运输之前先在卢旺达进行基本加工。
Then Chen's team decided to perform basic processing in Rwanda before shipping.
一些人被要求在享受食物之前先拍照。
Some people were asked to take photos before they could enjoy food.
在回答这个问题之前先放松一下自己。
司机在车完全停下来之前先减慢车速。
小孩在学走路之前先学爬。
他在你之前先爬上了塔。
下次你去公共厕所，用马桶之前先看一下。
Next time you go to a public bathroom, take a look before you sit down on the toilet seat.
买大衣前先试穿一下。
服药前先看说明书。
我想在来这里追寻我的音乐之前先把学业解决了。
I wanted to get my academic work settled before pursuing my music here.
如果你愿意的话，我很乐意在你交最终稿之前先看一遍稿子。
I'd be happy to look over a draft version before you hand in the final copy, if you wish.
在你进入家中之前先脱鞋，你就防止了这些有害化学物质入内。
By kicking off your shoes before you enter the home, you are denying entry to these harmful chemicals.
要考虑到的一点是，应该在父母生病或失去自理能力之前先询问他们的意愿。
One consideration is to ask parents what they want before they become sick or dependent.
你可以在烹饪之前先将海鲜解冻，但是如果你这样做的话，一定要尽快地把它煮熟。
You can thaw out the seafood before cooking it, but if you do this, make sure you cook it as quick as you can.
就像蜂群一样，在做决定之前先进行广泛的抽样调查，通常能找到所有人都能接受的折中决策。
As with the bees, the broad sampling of options before a decision is made will usually result in a compromise acceptable to all.
来之前先看看天气！我非常确定加州全年都是阳光明媚的，所以我把所有的夹克和毛衣都留在了巴黎。
Check the weather before coming ! I was very sure that California was sunny all year around so I left all my jackets and sweaters in Paris.
从逻辑上讲，我们应该在做事之前先了解清楚，这大概就是专家们在我们的教育体系中强制推行这一做法的原因。
Logically we should learn about things before doing them and that is presumably why the experts enforce this in our educational system.
为保证水印的安全性，在嵌入之前先对水印图像作置乱处理，再将水印图像位扩展为原始图像的两倍大小。
To ensure the security of wartermark, the wartermark image was scrambled beforeembedding and then expanded to the twifold size of the original image.
他在修理电视机之前先切断了电源。
那匹马在跳跃之前先停了一下。
用绷带包扎伤口之前先敷点碘酒。
乘客们在被允许登上飞机前先被搜身。
The passengers were frisked before they were allowed to board the plane.
在使用新格式之前先检查文档。
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