但是睡觉前别喝茶。
最近我在你们公司买了一把办公椅，但是我在大约一个星期前把它退了。
I recently bought an office chair from your company, but I returned it about a week ago.
我必须在两点前赶到机场，但是时间一分一秒地过去了。
I had to get to the airport by two, and the minutes were ticking away.
但是位于鲁卜哈利的湖在数千年前就已消失殆尽。
But the Empty Quarter lakes disappeared thousands of years ago.
第二种选择是走到书架前，但是这次，把书拿开，然后稍微多拿一会儿，再把书放到顾客手中。
The second option also involved going over to the shelf but, this time, removing the book and then subtly holding onto it for just an extra moment before placing it in the customer's hands.
最早的陶瓷制品是在制陶的温度下烧制的，但是早在公元前15世纪，（人们）已经用高温烧制表面上釉的炻器。
The earliest ceramics were fired to earthenware temperatures, but as early as the fifteenth century B.C., high-temperature stonewares were being made with glazed surfaces.
十年前，光滑的塑料雪橇开始流行起来；它们比木制雪橇跑得快，但是很难操控，也很慢。
Ten years ago, smooth plastic sleds became popular; they go faster than wooden sleds but are harder to steer and slow.
但是，不管其确切的日期是在15000年、20000年还是30000年前，肖韦洞窟都属于艺术的开端。
But be that as it may, whatever the exact date, whether it's 15,000, 20,000 or 30,000 years ago, the Chauvet paintings are from the dawn of art.
尽管我不久前才转学到这所学校，但是我现在已经融入班级了，因为我的同学们都非常好。
Though I transferred to this school not long ago, I have fitted into the class because my classmates were very nice.
但是我曾乘坐冰川快车去瑞士旅行，大约8年前我坐火车穿越了中国。
But I've traveled on the Glacier Express to Switzerland, and I traveled across China by train about 8 years ago.
虽然不像膝盖或脚踝扭伤那么常见，但是前十字交叉韧带撕裂会让运动员停赛最长一年之久。
While nowhere near as common as knee or ankle sprains, torn ACLs put players out of the game for up to a year.
可以，但是你必须在10点前回来。
当然可以，但是你必须在学期结束前归还。
没有人知道确切的数字，但是根据政府的调查，粗略计算之后显示，大约有1600所美国公立和私立学校在教授中文，而十年前只有300所左右。
No one keeps an exact count, but rough calculations based on the government's survey suggest that perhaps 1,600 American public and private schools are teaching Chinese, up from 300 or so a decade ago.
但是在三十前的春天早些时候，圣海伦火山开始隆隆作响。
But in the early spring three decades ago, Mount St. Helens began to rumble.
但是这个团队在获得真正的增强视觉前还面临着许多挑战。
But the group faces a number of challenges before achieving true augmented eye vision.
但是研究人员还未确定他们的心脏在训练前是否已经异于常人。
But researchers have not yet determined whether the athletes' hearts were larger to begin with.
但是这一项将在六月底前截止。
您可以获得与前一个地点的距离，但是仅此而已。
You could get the distance from a previous spot, but that was about it.
葡萄酒装瓶前，会使用蛋清澄清，但是不经过过滤。
Today the wines are fined with egg whites but not filtered before bottling.
但是，在这个月结束前，我们应该对我们的机会了解更多。
But we should know a great deal more about our chances before the month is out.
但是这些肉必须煮熟，在你吃前必须杀死所有有害病原体。
But the meat must be cooked, which will kill any noxious pathogens before you eat it.
但是在电台使用这些资料前总要经过核实，他补充到。
但是时间表在本周末此次悲剧事件前就停滞了。
But that timeline was drawn up before the tragic incident this weekend over Wardak.
但是现在我们要朝着前一个更容易完成目标努力。
But we tend to focus on the first one since it is much more concrete.
每天锻炼，但是避免在睡觉前4个小时。
Exercise every day, but avoid doing it 4 hours before bedtime.
但是，即使在患病前，他的生活并没有称心如意。
Even before he became sick, however, his life was no bed of roses.
但是，即使在患病前，他的生活并没有称心如意。
Even before he became sick, however, his life was no bed of roses.
应用推荐